November 2014 anti-malware platform update for Windows Defender in Windows 8.1 and Windows 8

View products that this article applies to.

This anti-malware platform update for Windows Defender updates Windows Defender services, drivers, and UIs. This update has prerequisites.

Microsoft regularly releases anti-malware platform updates to guarantee consistency in protection, performance, robustness, and usability in a malware landscape that is constantly changing.

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About this update

This anti-malware platform update contains the following improvements:

Hardening improvements to the anti-malware platform
Manageability improvements to the anti-malware platform

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How to obtain this update

Method 1: Windows Update

This update is available from Windows Update.

Method 2: Microsoft Download Center

The following files are available for download from the Microsoft Download Center:

Operating system	Update
All supported x86-based versions of Windows 8.1	Download the package now.
All supported x64-based versions of Windows 8.1	Download the package now.
All supported x86-based versions of Windows 8	Download the package now.
All supported x64-based versions of Windows 8	Download the package now.

Note The update for Windows RT 8.1 or Windows RT can be obtained only from Windows Update.

For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:

119591 How to obtain Microsoft support files from online services

Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.

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Update detail information

Prerequisites

To apply this update, you must install update 2919355 in Windows 8.1 or Windows RT 8.1.

Registry information

To apply this update, you do not have to make any changes to the registry.

Restart requirement

You may have to restart the computer after you apply this update.

Update replacement information

This update replaces the update that is described in Microsoft Knowledge Base (KB) article 2939153.

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More Information

File information

The global version of this update installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and the times may change when you perform certain operations on the files.

Windows RT and Windows 8 file information

For Windows RT

File name	File version	File size	Date	Time	Platform
Wdboot.sys	4.6.300.0	53,752	18-Sep-2014	01:31	Not applicable
Wdfilter.sys	4.6.300.0	238,960	26-Aug-2014	22:07	Not applicable
Mpevmsg.dll	4.6.305.0	119,256	26-Aug-2014	22:07	Not applicable
Mpuxhostproxy.dll	4.6.305.0	47,232	26-Aug-2014	22:07	Not applicable
Mpuxsrv.exe	4.6.305.0	68,072	26-Aug-2014	22:07	Not applicable
Windows.defender.lnk	Not applicable	1,139	25-Jul-2012	20:18	Not applicable
Mpasdesc.dll	4.6.305.0	156,120	26-Aug-2014	22:07	Not applicable
Mpclient.dll	4.6.305.0	689,104	26-Aug-2014	22:07	Not applicable
Mpcmdrun.exe	4.6.305.0	277,192	18-Sep-2014	01:31	Not applicable
Mpcommu.dll	4.6.305.0	276,472	26-Aug-2014	22:07	Not applicable
Mpoav.dll	4.6.305.0	93,080	26-Aug-2014	22:07	Not applicable
Mprtp.dll	4.6.305.0	401,512	26-Aug-2014	22:07	Not applicable
Mpsvc.dll	4.6.305.0	1,218,440	26-Aug-2014	22:07	Not applicable
Mptpmatt.dll	4.6.305.0	68,072	26-Aug-2014	22:07	Not applicable
Msmpcom.dll	4.6.305.0	61,440	17-Sep-2014	22:38	Not applicable
Msmpeng.exe	4.6.305.0	37,536	18-Sep-2014	01:31	Not applicable
Msmplics.dll	4.6.305.0	26,360	26-Aug-2014	22:07	Not applicable
Eppmanifest.dll	4.6.305.0	160,216	26-Aug-2014	22:07	Not applicable
Msascui.exe	4.6.305.0	1,051,720	26-Aug-2014	22:07	Not applicable
Msmpres.dll	4.6.305.0	446,936	26-Aug-2014	22:07	Not applicable

For all supported x86-based versions of Windows 8

File name	File version	File size	Date	Time	Platform
Wdboot.sys	4.6.300.0	29,688	18-Sep-2014	00:05	x86
Wdfilter.sys	4.6.300.0	231,080	26-Aug-2014	22:07	x86
Wdboot.sys	4.6.300.0	29,688	17-Sep-2014	23:46	x86
Wdfilter.sys	4.6.300.0	231,080	26-Aug-2014	22:08	x86
Mpevmsg.dll	4.6.305.0	111,256	26-Aug-2014	22:07	x86
Mpevmsg.dll	4.6.305.0	111,256	26-Aug-2014	22:08	x86
Mpuxhostproxy.dll	4.6.305.0	27,432	26-Aug-2014	22:07	x86
Mpuxsrv.exe	4.6.305.0	52,712	26-Aug-2014	22:07	x86
Windows.defender.lnk	Not applicable	1,139	28-Mar-2014	00:46	Not applicable
Mpuxhostproxy.dll	4.6.305.0	27,432	26-Aug-2014	22:08	x86
Mpuxsrv.exe	4.6.305.0	52,712	26-Aug-2014	22:08	x86
Windows.defender.lnk	Not applicable	1,139	24-Mar-2014	22:31	Not applicable
Dbghelp.dll	6.3.9600.17251	1,231,528	06-Sep-2014	00:45	x86
Mpasdesc.dll	4.6.305.0	150,680	26-Aug-2014	22:07	x86
Mpclient.dll	4.6.305.0	735,312	26-Aug-2014	22:07	x86
Mpcmdrun.exe	4.6.305.0	297,448	18-Sep-2014	00:05	x86
Mpcommu.dll	4.6.305.0	286,080	26-Aug-2014	22:07	x86
Mpoav.dll	4.6.305.0	108,336	26-Aug-2014	22:07	x86
Mprtp.dll	4.6.305.0	439,792	26-Aug-2014	22:07	x86
Mpsvc.dll	4.6.305.0	1,333,840	26-Aug-2014	22:07	x86
Mptpmatt.dll	4.6.305.0	46,560	26-Aug-2014	22:07	x86
Msmpcom.dll	4.6.305.0	56,832	17-Sep-2014	23:24	x86
Msmpeng.exe	4.6.305.0	14,456	18-Sep-2014	00:05	x86
Msmplics.dll	4.6.305.0	20,384	26-Aug-2014	22:07	x86
Symsrv.dll	6.3.9600.17251	128,680	06-Sep-2014	00:45	x86
Symsrv.yes	Not applicable	1	06-Dec-2013	23:25	Not applicable
Dbghelp.dll	6.3.9600.17251	1,231,528	06-Sep-2014	00:44	x86
Mpasdesc.dll	4.6.305.0	150,680	26-Aug-2014	22:08	x86
Mpclient.dll	4.6.305.0	735,312	26-Aug-2014	22:08	x86
Mpcmdrun.exe	4.6.305.0	297,448	17-Sep-2014	23:49	x86
Mpcommu.dll	4.6.305.0	286,080	26-Aug-2014	22:08	x86
Mpoav.dll	4.6.305.0	108,336	26-Aug-2014	22:08	x86
Mprtp.dll	4.6.305.0	439,792	26-Aug-2014	22:08	x86
Mpsvc.dll	4.6.305.0	1,333,840	26-Aug-2014	22:08	x86
Mptpmatt.dll	4.6.305.0	46,560	26-Aug-2014	22:08	x86
Msmpcom.dll	4.6.305.0	56,832	17-Sep-2014	23:20	x86
Msmpeng.exe	4.6.305.0	14,456	17-Sep-2014	23:49	x86
Msmplics.dll	4.6.305.0	20,384	26-Aug-2014	22:08	x86
Symsrv.dll	6.3.9600.17251	128,680	06-Sep-2014	00:44	x86
Symsrv.yes	Not applicable	1	06-Nov-2012	23:04	Not applicable
Eppmanifest.dll	4.6.305.0	153,752	26-Aug-2014	22:07	x86
Msascui.exe	4.6.305.0	1,038,832	26-Aug-2014	22:07	x86
Msmpres.dll	4.6.305.0	438,936	26-Aug-2014	22:07	x86
Eppmanifest.dll	4.6.305.0	153,752	26-Aug-2014	22:08	x86
Msascui.exe	4.6.305.0	1,038,832	26-Aug-2014	22:08	x86
Msmpres.dll	4.6.305.0	438,936	26-Aug-2014	22:08	x86

For all supported x64-based versions of Windows 8

File name	File version	File size	Date	Time	Platform
Wdboot.sys	4.6.300.0	35,320	18-Sep-2014	01:43	x64
Wdfilter.sys	4.6.300.0	270,024	26-Aug-2014	22:08	x64
Wdboot.sys	4.6.300.0	35,320	18-Sep-2014	01:29	x64
Wdfilter.sys	4.6.300.0	270,024	26-Aug-2014	22:08	x64
Mpevmsg.dll	4.6.305.0	111,264	26-Aug-2014	22:08	x64
Mpevmsg.dll	4.6.305.0	111,264	26-Aug-2014	22:08	x64
Mpuxhostproxy.dll	4.6.305.0	28,528	26-Aug-2014	22:08	x64
Mpuxsrv.exe	4.6.305.0	58,008	26-Aug-2014	22:08	x64
Windows.defender.lnk	Not applicable	1,139	28-Mar-2014	00:50	Not applicable
Mpuxhostproxy.dll	4.6.305.0	28,528	26-Aug-2014	22:08	x64
Mpuxsrv.exe	4.6.305.0	58,008	26-Aug-2014	22:08	x64
Windows.defender.lnk	Not applicable	1,139	24-Mar-2014	22:30	Not applicable
Dbghelp.dll	6.3.9600.17251	1,532,584	06-Sep-2014	00:46	x64
Mpasdesc.dll	4.6.305.0	150,688	26-Aug-2014	22:08	x64
Mpclient.dll	4.6.305.0	957,184	26-Aug-2014	22:08	x64
Mpcmdrun.exe	4.6.305.0	353,760	18-Sep-2014	01:43	x64
Mpcommu.dll	4.6.305.0	366,064	26-Aug-2014	22:08	x64
Mpoav.dll	4.6.305.0	123,424	26-Aug-2014	22:08	x64
Mprtp.dll	4.6.305.0	563,448	26-Aug-2014	22:08	x64
Mpsvc.dll	4.6.305.0	1,674,640	26-Aug-2014	22:08	x64
Mptpmatt.dll	4.6.305.0	51,808	26-Aug-2014	22:08	x64
Msmpcom.dll	4.6.305.0	70,656	17-Sep-2014	22:56	x64
Msmpeng.exe	4.6.305.0	16,024	18-Sep-2014	01:43	x64
Msmplics.dll	4.6.305.0	20,392	26-Aug-2014	22:08	x64
Symsrv.dll	6.3.9600.17251	143,520	06-Sep-2014	00:46	x64
Symsrv.yes	Not applicable	1	07-Nov-2012	23:04	Not applicable
Dbghelp.dll	6.3.9600.17251	1,532,584	06-Sep-2014	00:45	x64
Mpasdesc.dll	4.6.305.0	150,688	26-Aug-2014	22:08	x64
Mpclient.dll	4.6.305.0	957,184	26-Aug-2014	22:08	x64
Mpcmdrun.exe	4.6.305.0	353,752	18-Sep-2014	01:29	x64
Mpcommu.dll	4.6.305.0	366,064	26-Aug-2014	22:08	x64
Mpoav.dll	4.6.305.0	123,424	26-Aug-2014	22:08	x64
Mprtp.dll	4.6.305.0	563,448	26-Aug-2014	22:08	x64
Mpsvc.dll	4.6.305.0	1,674,640	26-Aug-2014	22:08	x64
Mptpmatt.dll	4.6.305.0	51,808	26-Aug-2014	22:08	x64
Msmpcom.dll	4.6.305.0	70,656	17-Sep-2014	23:29	x64
Msmpeng.exe	4.6.305.0	16,032	18-Sep-2014	01:29	x64
Msmplics.dll	4.6.305.0	20,392	26-Aug-2014	22:08	x64
Symsrv.dll	6.3.9600.17251	143,520	06-Sep-2014	00:45	x64
Symsrv.yes	Not applicable	1	22-Jul-2013	22:14	Not applicable
Eppmanifest.dll	4.6.305.0	153,760	26-Aug-2014	22:08	x64
Msascui.exe	4.6.305.0	1,395,664	26-Aug-2014	22:08	x64
Msmpres.dll	4.6.305.0	438,936	26-Aug-2014	22:08	x64
Eppmanifest.dll	4.6.305.0	153,760	26-Aug-2014	22:08	x64
Msascui.exe	4.6.305.0	1,395,664	26-Aug-2014	22:08	x64
Msmpres.dll	4.6.305.0	438,936	26-Aug-2014	22:08	x64
Mpasdesc.dll	4.6.305.0	150,680	26-Aug-2014	22:07	x86
Mpclient.dll	4.6.305.0	735,312	26-Aug-2014	22:07	x86
Mpoav.dll	4.6.305.0	108,336	26-Aug-2014	22:07	x86
Msmplics.dll	4.6.305.0	20,384	26-Aug-2014	22:07	x86
Mpasdesc.dll	4.6.305.0	150,680	26-Aug-2014	22:08	x86
Mpclient.dll	4.6.305.0	735,312	26-Aug-2014	22:08	x86
Mpoav.dll	4.6.305.0	108,336	26-Aug-2014	22:08	x86
Msmplics.dll	4.6.305.0	20,384	26-Aug-2014	22:08	x86

Windows RT 8.1 and Windows 8.1 file information

For Windows RT 8.1

File name	File version	File size	Date	Time	Platform
Wdboot.sys	4.6.300.0	53,752	28-Aug-2014	00:11	Not applicable
Wdfilter.sys	4.6.300.0	225,616	28-Aug-2014	00:12	Not applicable
Mpevmsg.dll	4.6.305.0	119,256	26-Aug-2014	22:08	Not applicable
Defender.psd1	Not applicable	1,252	21-Oct-2013	22:11	Not applicable
Msft_mpcomputerstatus.cdxml	Not applicable	493	21-Oct-2013	22:11	Not applicable
Msft_mppreference.cdxml	Not applicable	35,341	21-Oct-2013	22:11	Not applicable
Msft_mpscan.cdxml	Not applicable	1,821	21-Oct-2013	22:11	Not applicable
Msft_mpsignature.cdxml	Not applicable	1,805	21-Oct-2013	22:11	Not applicable
Msft_mpthreat.cdxml	Not applicable	1,431	21-Oct-2013	22:11	Not applicable
Msft_mpthreatcatalog.cdxml	Not applicable	933	21-Oct-2013	22:11	Not applicable
Msft_mpthreatdetection.cdxml	Not applicable	925	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	85,236	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	85,128	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	87,036	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	86,028	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	59,730	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	60,674	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	84,280	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	82,188	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,674	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	932	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	53,748	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	53,938	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	53,938	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.dll	4.6.305.0	484,872	26-Aug-2014	22:09	Not applicable
Protectionmanagement.mof	Not applicable	27,050	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mof	Not applicable	2,382	21-Oct-2013	22:11	Not applicable
Mpuxhostproxy.dll	4.6.305.0	47,232	26-Aug-2014	22:08	Not applicable
Mpuxsrv.exe	4.6.305.0	57,680	28-Aug-2014	00:12	Not applicable
Windows.defender.lnk	Not applicable	1,139	21-Aug-2013	23:43	Not applicable
Wdnisdrv.sys	4.6.300.0	115,024	28-Aug-2014	00:12	Not applicable
Nisipsplugin.dll	4.6.305.0	101,416	26-Aug-2014	22:09	Not applicable
Nislog.dll	4.6.305.0	63,904	26-Aug-2014	22:09	Not applicable
Nissrv.exe	4.6.305.0	293,152	28-Aug-2014	00:12	Not applicable
Niswfp.dll	4.6.305.0	76,408	26-Aug-2014	22:09	Not applicable
Mpasdesc.dll	4.6.305.0	156,120	26-Aug-2014	22:08	Not applicable
Mpclient.dll	4.6.305.0	689,104	26-Aug-2014	22:08	Not applicable
Mpcmdrun.exe	4.6.305.0	288,984	28-Aug-2014	00:12	Not applicable
Mpcommu.dll	4.6.305.0	276,472	26-Aug-2014	22:08	Not applicable
Mpoav.dll	4.6.305.0	93,080	26-Aug-2014	22:08	Not applicable
Mprtp.dll	4.6.305.0	401,512	26-Aug-2014	22:08	Not applicable
Mpsvc.dll	4.6.305.0	1,218,440	26-Aug-2014	22:08	Not applicable
Mptpmatt.dll	4.6.305.0	68,072	26-Aug-2014	22:08	Not applicable
Msmpcom.dll	4.6.305.0	61,440	26-Aug-2014	22:09	Not applicable
Msmpeng.exe	4.6.305.0	47,240	28-Aug-2014	00:12	Not applicable
Msmplics.dll	4.6.305.0	26,360	26-Aug-2014	22:09	Not applicable
Winshfhc.dll	6.3.9731.0	32,768	26-Aug-2014	22:09	Not applicable
Eppmanifest.dll	4.6.305.0	160,216	26-Aug-2014	22:08	Not applicable
Msascui.exe	4.6.305.0	1,051,720	26-Aug-2014	22:08	Not applicable
Msmpres.dll	4.6.305.0	446,936	26-Aug-2014	22:09	Not applicable

For all supported x86-based versions of Windows 8.1

File name	File version	File size	Date	Time	Platform
Wdboot.sys	4.6.300.0	29,688	28-Aug-2014	01:15	x86
Wdfilter.sys	4.6.300.0	219,968	28-Aug-2014	01:16	x86
Mpevmsg.dll	4.6.305.0	111,256	26-Aug-2014	22:08	x86
Defender.psd1	Not applicable	1,252	21-Oct-2013	22:11	Not applicable
Msft_mpcomputerstatus.cdxml	Not applicable	493	21-Oct-2013	22:11	Not applicable
Msft_mppreference.cdxml	Not applicable	35,341	21-Oct-2013	22:11	Not applicable
Msft_mpscan.cdxml	Not applicable	1,821	21-Oct-2013	22:11	Not applicable
Msft_mpsignature.cdxml	Not applicable	1,805	21-Oct-2013	22:11	Not applicable
Msft_mpthreat.cdxml	Not applicable	1,431	21-Oct-2013	22:11	Not applicable
Msft_mpthreatcatalog.cdxml	Not applicable	933	21-Oct-2013	22:11	Not applicable
Msft_mpthreatdetection.cdxml	Not applicable	925	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	85,236	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	85,128	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	87,036	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	86,028	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	59,730	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	60,674	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	84,280	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	82,188	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,674	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	932	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	53,748	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	53,938	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	53,938	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.dll	4.6.305.0	477,760	26-Aug-2014	22:08	x86
Protectionmanagement.mof	Not applicable	27,050	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mof	Not applicable	2,382	21-Oct-2013	22:11	Not applicable
Mpuxhostproxy.dll	4.6.305.0	27,432	26-Aug-2014	22:08	x86
Mpuxsrv.exe	4.6.305.0	44,352	28-Aug-2014	01:16	x86
Windows.defender.lnk	Not applicable	1,139	21-Aug-2013	23:52	Not applicable
Wdnisdrv.sys	4.6.300.0	84,800	28-Aug-2014	01:16	x86
Nisipsplugin.dll	4.6.305.0	93,304	26-Aug-2014	22:08	x86
Nislog.dll	4.6.305.0	49,696	26-Aug-2014	22:08	x86
Nissrv.exe	4.6.305.0	288,136	28-Aug-2014	01:16	x86
Niswfp.dll	4.6.305.0	61,016	26-Aug-2014	22:08	x86
Dbghelp.dll	6.12.2.633	1,213,200	18-Jun-2013	12:19	x86
Symsrv.dll	6.12.2.633	131,856	18-Jun-2013	12:19	x86
Symsrv.yes	Not applicable	1	18-Jun-2013	12:19	Not applicable
Mpasdesc.dll	4.6.305.0	150,680	26-Aug-2014	22:08	x86
Mpclient.dll	4.6.305.0	735,312	26-Aug-2014	22:08	x86
Mpcmdrun.exe	4.6.305.0	306,808	28-Aug-2014	01:16	x86
Mpcommu.dll	4.6.305.0	286,080	26-Aug-2014	22:08	x86
Mpoav.dll	4.6.305.0	108,336	26-Aug-2014	22:08	x86
Mprtp.dll	4.6.305.0	439,792	26-Aug-2014	22:08	x86
Mpsvc.dll	4.6.305.0	1,333,840	26-Aug-2014	22:08	x86
Mptpmatt.dll	4.6.305.0	46,560	26-Aug-2014	22:08	x86
Msmpcom.dll	4.6.305.0	56,832	26-Aug-2014	22:08	x86
Msmpeng.exe	4.6.305.0	22,200	28-Aug-2014	01:16	x86
Msmplics.dll	4.6.305.0	20,384	26-Aug-2014	22:08	x86
Winshfhc.dll	6.3.9731.0	12,800	26-Aug-2014	22:08	x86
Eppmanifest.dll	4.6.305.0	153,752	26-Aug-2014	22:08	x86
Msascui.exe	4.6.305.0	1,038,832	26-Aug-2014	22:08	x86
Msmpres.dll	4.6.305.0	438,936	26-Aug-2014	22:08	x86

For all supported x64-based versions of Windows 8.1

File name	File version	File size	Date	Time	Platform
Wdboot.sys	4.6.300.0	35,320	28-Aug-2014	02:11	x64
Wdfilter.sys	4.6.300.0	258,368	28-Aug-2014	02:18	x64
Mpevmsg.dll	4.6.305.0	111,264	26-Aug-2014	22:08	x64
Defender.psd1	Not applicable	1,252	21-Oct-2013	22:11	Not applicable
Msft_mpcomputerstatus.cdxml	Not applicable	493	21-Oct-2013	22:11	Not applicable
Msft_mppreference.cdxml	Not applicable	35,341	21-Oct-2013	22:11	Not applicable
Msft_mpscan.cdxml	Not applicable	1,821	21-Oct-2013	22:11	Not applicable
Msft_mpsignature.cdxml	Not applicable	1,805	21-Oct-2013	22:11	Not applicable
Msft_mpthreat.cdxml	Not applicable	1,431	21-Oct-2013	22:11	Not applicable
Msft_mpthreatcatalog.cdxml	Not applicable	933	21-Oct-2013	22:11	Not applicable
Msft_mpthreatdetection.cdxml	Not applicable	925	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	85,236	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	85,128	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	87,036	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	86,028	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	59,730	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	60,674	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	84,280	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	82,188	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,674	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	932	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	77,652	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	53,748	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	53,938	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.mfl	Not applicable	53,938	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mfl	Not applicable	930	21-Oct-2013	22:11	Not applicable
Protectionmanagement.dll	4.6.305.0	650,664	26-Aug-2014	22:08	x64
Protectionmanagement.mof	Not applicable	27,050	21-Oct-2013	22:11	Not applicable
Protectionmanagement_uninstall.mof	Not applicable	2,382	21-Oct-2013	22:11	Not applicable
Advapi32.dll	4.0.1000.0	13,312	26-Aug-2014	22:08	x64
Kernel32.dll	4.0.1000.0	27,648	26-Aug-2014	22:08	x64
Ole32.dll	4.0.1000.0	4,608	26-Aug-2014	22:08	x64
Psapi.dll	4.0.1000.0	5,120	26-Aug-2014	22:08	x64
Secur32.dll	4.0.1000.0	3,584	26-Aug-2014	22:08	x64
Shell32.dll	4.0.1000.0	5,120	26-Aug-2014	22:08	x64
Shlwapi.dll	4.0.1000.0	5,120	26-Aug-2014	22:08	x64
User32.dll	4.0.1000.0	5,632	26-Aug-2014	22:08	x64
Version.dll	4.0.1000.0	5,120	26-Aug-2014	22:08	x64
Wtsapi32.dll	4.0.1000.0	4,096	26-Aug-2014	22:08	x64
Mpuxhostproxy.dll	4.6.305.0	28,528	26-Aug-2014	22:08	x64
Mpuxsrv.exe	4.6.305.0	49,472	28-Aug-2014	02:18	x64
Windows.defender.lnk	Not applicable	1,139	22-Aug-2013	06:56	Not applicable
Wdnisdrv.sys	4.6.300.0	114,496	28-Aug-2014	02:18	x64
Nisipsplugin.dll	4.6.305.0	117,152	26-Aug-2014	22:08	x64
Nislog.dll	4.6.305.0	58,520	26-Aug-2014	22:08	x64
Nissrv.exe	4.6.305.0	368,632	28-Aug-2014	02:18	x64
Niswfp.dll	4.6.305.0	73,544	26-Aug-2014	22:08	x64
Dbghelp.dll	6.12.2.633	1,558,912	18-Jun-2013	14:43	x64
Symsrv.dll	6.12.2.633	149,264	18-Jun-2013	14:43	x64
Symsrv.yes	Not applicable	1	18-Jun-2013	14:43	Not applicable
Mpasdesc.dll	4.6.305.0	150,688	26-Aug-2014	22:08	x64
Mpclient.dll	4.6.305.0	957,184	26-Aug-2014	22:08	x64
Mpcmdrun.exe	4.6.305.0	363,448	28-Aug-2014	02:18	x64
Mpcommu.dll	4.6.305.0	366,064	26-Aug-2014	22:08	x64
Mpoav.dll	4.6.305.0	123,424	26-Aug-2014	22:08	x64
Mprtp.dll	4.6.305.0	563,448	26-Aug-2014	22:08	x64
Mpsvc.dll	4.6.305.0	1,674,640	26-Aug-2014	22:08	x64
Mptpmatt.dll	4.6.305.0	51,808	26-Aug-2014	22:08	x64
Msmpcom.dll	4.6.305.0	70,656	26-Aug-2014	22:08	x64
Msmpeng.exe	4.6.305.0	23,792	28-Aug-2014	02:18	x64
Msmplics.dll	4.6.305.0	20,392	26-Aug-2014	22:08	x64
Winshfhc.dll	6.3.9731.0	14,336	26-Aug-2014	22:08	x64
Eppmanifest.dll	4.6.305.0	153,760	26-Aug-2014	22:08	x64
Msascui.exe	4.6.305.0	1,395,664	26-Aug-2014	22:08	x64
Msmpres.dll	4.6.305.0	438,936	26-Aug-2014	22:08	x64
Mpasdesc.dll	4.6.305.0	150,680	26-Aug-2014	22:08	x86
Mpclient.dll	4.6.305.0	735,312	26-Aug-2014	22:08	x86
Mpoav.dll	4.6.305.0	108,336	26-Aug-2014	22:08	x86
Msmplics.dll	4.6.305.0	20,384	26-Aug-2014	22:08	x86
Winshfhc.dll	6.3.9731.0	12,800	26-Aug-2014	22:08	x86
Eppmanifest.dll	4.6.305.0	153,752	26-Aug-2014	22:08	x86

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References

See the terminology that Microsoft uses to describe software updates.

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Applies to:

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Keywords: atdownload, kbsurveynew, kbfix, kbexpertiseadvanced, kb

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Article Info

Article ID	:	2976536
Revision	:	2
Created on	:	4/9/2020
Published on	:	4/9/2020
Exists online	:	False
Views	:	421

Microsoft KB Archive Search

November 2014 anti-malware platform update for Windows Defender in Windows 8.1 and Windows 8

About this update

How to obtain this update

Method 1: Windows Update

Method 2: Microsoft Download Center

Update detail information

Prerequisites

Registry information

Restart requirement

Update replacement information

More Information

Windows RT and Windows 8 file information

For Windows RT

For all supported x86-based versions of Windows 8

For all supported x64-based versions of Windows 8

Windows RT 8.1 and Windows 8.1 file information

For Windows RT 8.1

For all supported x86-based versions of Windows 8.1

For all supported x64-based versions of Windows 8.1

References

Applies to: