Symptoms

Assume that you try to restore files or system backups by using Backup and Restore in Control Panel on a computer that is running Windows 7 Service Pack 1 (SP1). In this situation, the restore operation may fail.

Note When the restore operation fails, the computer restarts automatically. Additionally, you receive the following error message after the computer restarts.

System Restore

System Restore did not complete successfully. Your computer's system files and settings were not changed.


Details:

System Restore failed while scanning the file system on the drive C:\.

The drive might be corrupt. You might want to retry System Restore after running chkdsk /R on this disk.

An unspecified error occurred during System Restore. (0x80070057)

You can try System Restore again and choose a different restore point. If you continue to see this error, you can try an advanced recovery method. For more information, see What is Recovery?

Resolution

Hotfix information

A supported hotfix is available from Microsoft. 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, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=supportNote 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 apply this hotfix, you must be running Windows 7 Service Pack 1 (SP1).

For more information about how to obtain a Windows 7 or Windows Server 2008 R2 service pack, click the following article number to view the article in the Microsoft Knowledge Base:

976932 Information about Service Pack 1 for Windows 7 and for Windows Server 2008 R2

Registry information

To use the hotfix in this package, you do not have to make any changes to the registry.

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

File information

The global 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 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

    6.1.760
    1.17xxx

    Windows 7 and Windows Server 2008 R2

    SP1

    GDR

    6.1.760
    1.21xxx

    Windows 7 and Windows Server 2008 R2

    SP1

    LDR

  • 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 Server 2008 R2 and for Windows 7" 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 name

File version

File size

Date

Time

Platform

Rstrui.exe

6.1.7601.17514

262,656

20-Nov-2010

12:17

x86

Srcore.dll

6.1.7601.17646

400,896

06-Jul-2011

04:31

x86

Rstrui.exe

6.1.7601.21765

262,656

07-Jul-2011

05:50

x86

Srclient.dll

6.1.7601.21765

43,008

07-Jul-2011

05:58

x86

Srcore.dll

6.1.7601.21765

400,896

07-Jul-2011

05:58

x86

For all supported x64-based versions of Windows 7

File name

File version

File size

Date

Time

Platform

Rstrui.exe

6.1.7601.17514

296,960

20-Nov-2010

13:25

x64

Srcore.dll

6.1.7601.17646

503,296

06-Jul-2011

05:31

x64

Rstrui.exe

6.1.7601.21765

296,960

07-Jul-2011

05:20

x64

Srclient.dll

6.1.7601.21765

50,176

07-Jul-2011

05:28

x64

Srcore.dll

6.1.7601.21765

503,296

07-Jul-2011

05:28

x64

Srclient.dll

6.1.7601.17646

43,008

06-Jul-2011

04:31

x86

Srclient.dll

6.1.7601.21765

43,008

07-Jul-2011

05:58

x86

Status

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

More Information

For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:

824684 Description of the standard terminology that is used to describe Microsoft software updates

Additional file information

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

Additional files for all supported x86-based versions of Windows 7

File name

Update.mum

File version

Not applicable

File size

2,085

Date (UTC)

07-Jul-2011

Time (UTC)

14:02

Platform

Not applicable

File name

X86_4fe1fa7be50a69f252fe7618d2dd3223_31bf3856ad364e35_6.1.7601.17646_none_a53811099492d7a8.manifest

File version

Not applicable

File size

706

Date (UTC)

07-Jul-2011

Time (UTC)

14:02

Platform

Not applicable

File name

X86_6913f9d6c6ba4f21913d3735fa8e2fac_31bf3856ad364e35_6.1.7601.21765_none_1d19260d03e84e15.manifest

File version

Not applicable

File size

706

Date (UTC)

07-Jul-2011

Time (UTC)

14:02

Platform

Not applicable

File name

X86_microsoft-windows-systemrestore-main_31bf3856ad364e35_6.1.7601.17646_none_48c8cc8911979adc.manifest

File version

Not applicable

File size

16,366

Date (UTC)

07-Jul-2011

Time (UTC)

14:10

Platform

Not applicable

File name

X86_microsoft-windows-systemrestore-main_31bf3856ad364e35_6.1.7601.21765_none_493bc9322ac65931.manifest

File version

Not applicable

File size

15,778

Date (UTC)

07-Jul-2011

Time (UTC)

06:24

Platform

Not applicable

Additional files for all supported x64-based versions of Windows 7 and of Windows Server 2008 R2

File name

Amd64_40fdc398c1ab45d33cf964a42fcc20f9_31bf3856ad364e35_6.1.7601.17646_none_aa141a9c3256cffd.manifest

File version

Not applicable

File size

710

Date (UTC)

07-Jul-2011

Time (UTC)

14:02

Platform

Not applicable

File name

Amd64_696f2f4899c4f9eae964bcf0c972fdb9_31bf3856ad364e35_6.1.7601.21765_none_4f7b422fcacf2369.manifest

File version

Not applicable

File size

710

Date (UTC)

07-Jul-2011

Time (UTC)

14:02

Platform

Not applicable

File name

Amd64_9342ac59d02f07cd59172c228aecad88_31bf3856ad364e35_6.1.7601.17646_none_720f603cb3f077bd.manifest

File version

Not applicable

File size

1,062

Date (UTC)

07-Jul-2011

Time (UTC)

14:02

Platform

Not applicable

File name

Amd64_b48bc526e6873c8402db533f2cdaa44c_31bf3856ad364e35_6.1.7601.21765_none_ad32696785076444.manifest

File version

Not applicable

File size

1,062

Date (UTC)

07-Jul-2011

Time (UTC)

14:02

Platform

Not applicable

File name

Amd64_microsoft-windows-systemrestore-main_31bf3856ad364e35_6.1.7601.17646_none_a4e7680cc9f50c12.manifest

File version

Not applicable

File size

16,370

Date (UTC)

07-Jul-2011

Time (UTC)

14:03

Platform

Not applicable

File name

Amd64_microsoft-windows-systemrestore-main_31bf3856ad364e35_6.1.7601.21765_none_a55a64b5e323ca67.manifest

File version

Not applicable

File size

15,782

Date (UTC)

07-Jul-2011

Time (UTC)

07:04

Platform

Not applicable

File name

Update.mum

File version

Not applicable

File size

2,099

Date (UTC)

07-Jul-2011

Time (UTC)

14:02

Platform

Not applicable

File name

Wow64_microsoft-windows-systemrestore-main_31bf3856ad364e35_6.1.7601.17646_none_af3c125efe55ce0d.manifest

File version

Not applicable

File size

12,986

Date (UTC)

06-Jul-2011

Time (UTC)

04:47

Platform

Not applicable

File name

Wow64_microsoft-windows-systemrestore-main_31bf3856ad364e35_6.1.7601.21765_none_afaf0f0817848c62.manifest

File version

Not applicable

File size

12,986

Date (UTC)

07-Jul-2011

Time (UTC)

06:14

Platform

Not applicable

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