Prerequisites
To install this update, you must have
April 2014 update rollup for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 (2919355) installed in Windows 8.1 or Windows Server 2012 R2.
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 does not replace a previously released update.
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 8.1 and Windows Server 2012 R2 file information and notes
- The files that apply to a specific product, milestone (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table:
| Version | Product | Milestone | Service branch |
|---|
| 6.3.960 0.17 xxx | Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 | RTM | GDR |
- GDR service branches contain only those fixes that are widely released to address widespread, critical issues. LDR service branches contain hotfixes in addition to widely released fixes.
- The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information" section. MUM, MANIFEST, and the associated security catalog (.cat) files, are very important to maintain the state of the updated components. The security catalog files, for which the attributes are not listed, are signed with a Microsoft digital signature.
For all supported x86-based versions of Windows 8.1
| File name | File version | File size | Date | Time | Platform |
|---|
| Dwmcore.dll | 6.3.9600.17795 | 1,943,040 | 10-Apr-2015 | 00:11 | x86 |
| Microsoft-windows-desktopwindowmanager-compositor.ptxml | Not applicable | 4,069 | 21-Aug-2013 | 23:39 | Not applicable |
For all supported x64-based versions of Windows 8.1 or Windows Server 2012 R2
| File name | File version | File size | Date | Time | Platform |
|---|
| Dwmcore.dll | 6.3.9600.17795 | 2,256,896 | 10-Apr-2015 | 00:34 | x64 |
| Microsoft-windows-desktopwindowmanager-compositor.ptxml | Not applicable | 4,069 | 22-Aug-2013 | 06:44 | Not applicable |
| Dwmcore.dll | 6.3.9600.17795 | 1,943,040 | 10-Apr-2015 | 00:11 | x86 |
| Microsoft-windows-desktopwindowmanager-compositor.ptxml | Not applicable | 4,069 | 21-Aug-2013 | 23:39 | Not applicable |
For all supported Windows RT 8.1
| File name | File version | File size | Date | Time | Platform |
|---|
| Dwmcore.dll | 6.3.9600.17795 | 1,676,288 | 09-Apr-2015 | 23:51 | Not applicable |
| Microsoft-windows-desktopwindowmanager-compositor.ptxml | Not applicable | 4,069 | 21-Aug-2013 | 23:33 | Not applicable |
Additional file information
Additional file information for Windows 8.1 and for Windows Server 2012 R2
Additional files for all supported x86-based versions of Windows 8.1
| File property | Value |
|---|
| File name | X86_9ce7e5c5c6f76744756558eeca571066_31bf3856ad364e35_6.3.9600.17795_none_95145c65010411ae.manifest |
| File version | Not applicable |
| File size | 719 |
| Date (UTC) | 13-Apr-2015 |
| Time (UTC) | 18:18 |
| Platform | Not applicable |
| File name | X86_microsoft-windows-d..wmanager-compositor_31bf3856ad364e35_6.3.9600.17795_none_9a1838ac5afec740.manifest |
| File version | Not applicable |
| File size | 155,678 |
| Date (UTC) | 10-Apr-2015 |
| Time (UTC) | 20:43 |
| Platform | Not applicable |
Additional files for all supported x64-based versions of Windows 8.1 and of Windows Server 2012 R2
| File property | Value |
|---|
| File name | Amd64_9105798037d1fb7d1d093bf35c052a72_31bf3856ad364e35_6.3.9600.17795_none_e58a66bb241ed6f0.manifest |
| File version | Not applicable |
| File size | 1,086 |
| Date (UTC) | 13-Apr-2015 |
| Time (UTC) | 18:18 |
| Platform | Not applicable |
| File name | Amd64_microsoft-windows-d..wmanager-compositor_31bf3856ad364e35_6.3.9600.17795_none_f636d430135c3876.manifest |
| File version | Not applicable |
| File size | 155,682 |
| Date (UTC) | 10-Apr-2015 |
| Time (UTC) | 20:50 |
| Platform | Not applicable |
| File name | X86_microsoft-windows-d..wmanager-compositor_31bf3856ad364e35_6.3.9600.17795_none_9a1838ac5afec740.manifest |
| File version | Not applicable |
| File size | 155,678 |
| Date (UTC) | 10-Apr-2015 |
| Time (UTC) | 20:43 |
| Platform | Not applicable |
Additional files for all supported Windows RT 8.1
| File property | Value |
|---|
| File name | Arm_9c69e1b1068be7c0b2a8c8ced188bdc6_31bf3856ad364e35_6.3.9600.17795_none_5623ffab048fb099.manifest |
| File version | Not applicable |
| File size | 719 |
| Date (UTC) | 13-Apr-2015 |
| Time (UTC) | 18:18 |
| Platform | Not applicable |
| File name | Arm_microsoft-windows-d..wmanager-compositor_31bf3856ad364e35_6.3.9600.17795_none_9a1aab045afbe606.manifest |
| File version | Not applicable |
| File size | 155,678 |
| Date (UTC) | 10-Apr-2015 |
| Time (UTC) | 20:18 |
| Platform | Not applicable |
