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Sharp increase in CPU usage occurs when a folder is renamed in Windows

View products that this article applies to.

Symptoms

Consider the following scenario:
  • You have a computer that has a large amount of memory and that's running Windows 7, Windows Server 2008 R2, Windows 8, Windows Server 2012, Windows 8.1, or Windows Server 2012 R2.
  • You run an application that does batch processing in which many files and folders are created, deleted, moved, or renamed.

Every time that a folder is renamed in this scenario, a sharp increase in CPU usage occurs, and this causes performance issues on the computer.

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Resolution

Hotfix information

A supported hotfix is available from Microsoft Support. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing the problem described in this article. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, go to the following Microsoft website:
http://support.microsoft.com/contactus/?ws=support
Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Prerequisites

To install this update, you must install Service Pack 1 for Windows 7 or Windows Server 2008 R2. Or, install update 2919355 in Windows 8.1 or Windows Server 2012 R2.

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any previously released hotfix.

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File information
The English (United States) version of this hotfix 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 7 and Windows Server 2008 R2 file information and notes

Important Windows 7 hotfixes and Windows Server 2008 R2 hotfixes are included in the same packages. However, hotfixes on the Hotfix Request page are listed under both operating systems. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows 7/Windows Server 2008 R2" on the page. Always refer to the "Applies To" section in articles to determine the actual operating system that each hotfix applies to.
  • The files that apply to a specific product, SR_Level (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table.

    VersionProductSR_LevelService branch
    6.1.760
    1.
    22xxx    		Windows 7 and Windows Server 2008 R2SP1LDR
  • GDR service branches contain only those fixes that are widely released to address widespread, extremely important 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 for Windows 7 and Windows Server 2008 R2" section. MUM and MANIFEST files, and the associated security catalog (.cat) files, are extremely 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 7
File nameFile versionFile sizeDateTimePlatform
Fltmgr.sys6.1.7601.22729200,64026-Jun-201401:50x86
For all supported x64-based versions of Windows 7 and Windows Server 2008 R2
File nameFile versionFile sizeDateTimePlatform
Fltmgr.sys6.1.7601.22729287,16026-Jun-201402:10x64
For all supported IA-64-based versions of Windows Server 2008 R2
File nameFile versionFile sizeDateTimePlatform
Fltmgr.sys6.1.7601.22729627,64026-Jun-201401:21IA-64

Windows 8 and Windows Server 2012 file information and notes

Important Windows 8 and Windows Server 2012 hotfixes are included in the same packages. However, only "Windows 8" is listed on the Hotfix Request page. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows 8" on the page. Always refer to the "Applies To" section in articles to determine the actual operating system that each hotfix applies to.
  • 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.
    VersionProductMilestoneService branch
    6.2.920 0.17xxxWindows 8, Windows RT, and Windows Server 2012RTMLDR
  • The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information for Windows 8 and Windows Server 2012" section. MUM and MANIFEST files, and the associated security catalog (.cat) files, are extremely 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
File nameFile versionFile sizeDateTimePlatform
Fltmgr.sys6.2.9200.17096291,13625-Aug-201423:16x86
For all supported x64-based versions of Windows 8 and Windows Server 2012
File nameFile versionFile sizeDateTimePlatform
Fltmgr.sys6.2.9200.17096373,05626-Aug-201401:25x64
For all supported ARM-based versions of Windows 8
File nameFile versionFile sizeDateTimePlatform
Fltmgr.sys6.2.9200.17096267,58425-Aug-201422:53Not applicable

Windows 8.1 and Windows Server 2012 R2 file information and notes

Important Windows 8.1 and Windows Server 2012 R2 hotfixes are included in the same packages. However, only "Windows 8.1" is listed on the Hotfix Request page. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows 8.1" on the page. Always refer to the "Applies To" section in articles to determine the actual operating system that each hotfix applies to.
  • 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.
    VersionProductMilestoneService branch
    6.2.920 0.17xxxWindows 8.1 and Windows Server 2012 R2RTMLDR
  • The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information for Windows 8.1 and Windows Server 2012 R2" section. MUM and MANIFEST files, and the associated security catalog (.cat) files, are extremely 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 nameFile versionFile sizeDateTimePlatform
Fltmgr.sys6.3.9600.17326270,14426-Aug-201402:24x86
For all supported x64-based versions of Windows 8.1 and Windows Server 2012 R2
File nameFile versionFile sizeDateTimePlatform
Fltmgr.sys6.3.9600.17326354,11226-Aug-201403:30x64
For all supported ARM-based versions of Windows 8.1
File nameFile versionFile sizeDateTimePlatform
Fltmgr.sys6.3.9600.17326266,06426-Aug-201400:42Not applicable

Additional file information for Windows 7 and for Windows Server 2008 R2

Additional files for all supported x86-based versions of Windows 7
File namePackage_1_for_kb2979933~31bf3856ad364e35~x86~~6.1.1.0.mum
File versionNot Applicable
File size1,829
Date (UTC)26-Jun-2014
Time (UTC)10:56
SHA-1 hashNot Applicable
MD5 hashNot Applicable
File namePackage_2_for_kb2979933~31bf3856ad364e35~x86~~6.1.1.0.mum
File versionNot Applicable
File size1,812
Date (UTC)26-Jun-2014
Time (UTC)10:56
SHA-1 hashNot Applicable
MD5 hashNot Applicable
File namePackage_3_for_kb2979933~31bf3856ad364e35~x86~~6.1.1.0.mum
File versionNot Applicable
File size1,814
Date (UTC)26-Jun-2014
Time (UTC)10:56
SHA-1 hashNot Applicable
MD5 hashNot Applicable
File namePackage_for_kb2979933_rtm~31bf3856ad364e35~x86~~6.1.1.0.mum
File versionNot Applicable
File size1,459
Date (UTC)26-Jun-2014
Time (UTC)10:56
SHA-1 hashNot Applicable
MD5 hashNot Applicable
File namePackage_for_kb2979933_sp1~31bf3856ad364e35~x86~~6.1.1.0.mum
File versionNot Applicable
File size1,918
Date (UTC)26-Jun-2014
Time (UTC)10:56
SHA-1 hashNot Applicable
MD5 hashNot Applicable
File nameX86_067186f05b2bc9c9bd09a5c3b12ffbea_31bf3856ad364e35_6.1.7601.22729_none_a2ecb9876abd5709.manifest
File versionNot Applicable
File size706
Date (UTC)26-Jun-2014
Time (UTC)10:56
SHA-1 hashNot Applicable
MD5 hashNot Applicable
File nameX86_microsoft-windows-filtermanager-core_31bf3856ad364e35_6.1.7601.22729_none_1394964ca22f7bc6.manifest
File versionNot Applicable
File size10,677
Date (UTC)26-Jun-2014
Time (UTC)02:14
SHA-1 hashNot Applicable
MD5 hashNot Applicable
Additional files for all supported x64-based versions of Windows 7 and Windows Server 2008 R2
File nameAmd64_f37245303aba2828cf93640bac74b24d_31bf3856ad364e35_6.1.7601.22729_none_2c3491ac513c4563.manifest
File versionNot Applicable
File size710
Date (UTC)26-Jun-2014
Time (UTC)10:56
SHA-1 hashNot Applicable
MD5 hashNot Applicable
File nameAmd64_microsoft-windows-filtermanager-core_31bf3856ad364e35_6.1.7601.22729_none_6fb331d05a8cecfc.manifest
File versionNot Applicable
File size10,681
Date (UTC)26-Jun-2014
Time (UTC)02:34
SHA-1 hashNot Applicable
MD5 hashNot Applicable
File namePackage_1_for_kb2979933~31bf3856ad364e35~amd64~~6.1.1.0.mum
File versionNot Applicable
File size1,839
Date (UTC)26-Jun-2014
Time (UTC)10:56
SHA-1 hashNot Applicable
MD5 hashNot Applicable
File namePackage_2_for_kb2979933~31bf3856ad364e35~amd64~~6.1.1.0.mum
File versionNot Applicable
File size2,022
Date (UTC)26-Jun-2014
Time (UTC)10:56
SHA-1 hashNot Applicable
MD5 hashNot Applicable
File namePackage_3_for_kb2979933~31bf3856ad364e35~amd64~~6.1.1.0.mum
File versionNot Applicable
File size1,824
Date (UTC)26-Jun-2014
Time (UTC)10:56
SHA-1 hashNot Applicable
MD5 hashNot Applicable
File namePackage_for_kb2979933_rtm~31bf3856ad364e35~amd64~~6.1.1.0.mum
File versionNot Applicable
File size1,467
Date (UTC)26-Jun-2014
Time (UTC)10:56
SHA-1 hashNot Applicable
MD5 hashNot Applicable
File namePackage_for_kb2979933_sp1~31bf3856ad364e35~amd64~~6.1.1.0.mum
File versionNot Applicable
File size2,130
Date (UTC)26-Jun-2014
Time (UTC)10:56
SHA-1 hashNot Applicable
MD5 hashNot Applicable
Additional files for all supported IA-64-based versions of Windows Server 2008 R2
File nameIa64_51ea42b60ada80251863f8f3b8144114_31bf3856ad364e35_6.1.7601.22729_none_645f53cf6b8042e9.manifest
File versionNot Applicable
File size708
Date (UTC)26-Jun-2014
Time (UTC)10:56
SHA-1 hashNot Applicable
MD5 hashNot Applicable
File nameIa64_microsoft-windows-filtermanager-core_31bf3856ad364e35_6.1.7601.22729_none_13963a42a22d84c2.manifest
File versionNot Applicable
File size10,679
Date (UTC)26-Jun-2014
Time (UTC)02:03
SHA-1 hashNot Applicable
MD5 hashNot Applicable
File namePackage_1_for_kb2979933~31bf3856ad364e35~ia64~~6.1.1.0.mum
File versionNot Applicable
File size1,817
Date (UTC)26-Jun-2014
Time (UTC)10:56
SHA-1 hashNot Applicable
MD5 hashNot Applicable
File namePackage_for_kb2979933_sp1~31bf3856ad364e35~ia64~~6.1.1.0.mum
File versionNot Applicable
File size1,446
Date (UTC)26-Jun-2014
Time (UTC)10:56
SHA-1 hashNot Applicable
MD5 hashNot Applicable

Additional file information for Windows 8 and for Windows Server 2012

Additional files for all supported x86-based versions of Windows 8
File propertyValue
File nameX86_d3179d4461659c44378811dbc25de459_31bf3856ad364e35_6.2.9200.17097_none_7731f6a0098b10db.manifest
File versionNot applicable
File size706
Date (UTC)26-Aug-2014
Time (UTC)08:48
File nameX86_microsoft-windows-filtermanager-core_31bf3856ad364e35_6.2.9200.17097_none_0dac934afc386068.manifest
File versionNot applicable
File size10,716
Date (UTC)25-Aug-2014
Time (UTC)23:36
Additional files for all supported x64-based versions of Windows 8 and Windows Server 2012
File propertyValue
File nameAmd64_459f53faf29e922decde3b51c28d48f4_31bf3856ad364e35_6.2.9200.17097_none_c1705f391eb8e735.manifest
File versionNot applicable
File size710
Date (UTC)26-Aug-2014
Time (UTC)08:49
File nameAmd64_microsoft-windows-filtermanager-core_31bf3856ad364e35_6.2.9200.17097_none_69cb2eceb495d19e.manifest
File versionNot applicable
File size10,720
Date (UTC)26-Aug-2014
Time (UTC)01:31
Additional files for all supported ARM-based versions of Windows 8
File propertyValue
File nameArm_c6a9480bfcea8d92ab9bf1a9860fe5e8_31bf3856ad364e35_6.2.9200.17097_none_08420e1936e3e1fb.manifest
File versionNot applicable
File size706
Date (UTC)26-Aug-2014
Time (UTC)08:48
File nameArm_microsoft-windows-filtermanager-core_31bf3856ad364e35_6.2.9200.17097_none_0daf05a2fc357f2e.manifest
File versionNot applicable
File size10,716
Date (UTC)25-Aug-2014
Time (UTC)22:55

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 propertyValue
File nameX86_ddcf07745596812630667e94e344c7f8_31bf3856ad364e35_6.3.9600.17326_none_4dbddd1de211809f.manifest
File versionNot applicable
File size706
Date (UTC)26-Aug-2014
Time (UTC)14:11
File nameX86_microsoft-windows-filtermanager-core_31bf3856ad364e35_6.3.9600.17326_none_a5ec00cd46334b6c.manifest
File versionNot applicable
File size10,716
Date (UTC)26-Aug-2014
Time (UTC)02:28
Additional files for all supported x64-based versions of Windows 8.1 and Windows Server 2012 R2
File propertyValue
File nameAmd64_7ab6c5050a622b609637fe1d7794ce4e_31bf3856ad364e35_6.3.9600.17326_none_66eaaec47ec11a37.manifest
File versionNot applicable
File size710
Date (UTC)26-Aug-2014
Time (UTC)14:14
File nameAmd64_microsoft-windows-filtermanager-core_31bf3856ad364e35_6.3.9600.17326_none_020a9c50fe90bca2.manifest
File versionNot applicable
File size10,720
Date (UTC)26-Aug-2014
Time (UTC)03:34
Additional files for all supported ARM-based versions of Windows 8.1
File propertyValue
File nameArm_0f3265ba74e62f766519749dd1a651c0_31bf3856ad364e35_6.3.9600.17326_none_474b33853d7914be.manifest
File versionNot applicable
File size706
Date (UTC)26-Aug-2014
Time (UTC)14:16
File nameArm_microsoft-windows-filtermanager-core_31bf3856ad364e35_6.3.9600.17326_none_a5ee732546306a32.manifest
File versionNot applicable
File size10,716
Date (UTC)26-Aug-2014
Time (UTC)00:51

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Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

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References

Learn about the terminology that Microsoft uses to describe software updates.

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Keywords: kb, kbautohotfix, kbqfe, kbhotfixserver, kbfix, kbexpertiseinter, kbsurveynew, kbbug

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Article Info
Article ID : 2979933
Revision : 1
Created on : 1/7/2017
Published on : 11/12/2014
Exists online : False
Views : 233