System Update Readiness Tool fixes Windows Update errors in Windows 8, Windows 7, Windows Vista, Windows Server 2008 R2, and Windows Server 2008

Article ID: 947821 - View products that this article applies to.
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RESOLUTION

To fix errors that occur when you use Windows Update, install and run the System Update Readiness Tool. The tool scans for inconsistencies on your computer and fixes them as it's being installed.

Important
  • Although it typically takes less than 15 minutes to run the scan, it might take much longer on some computers. Even if the progress bar seems to stop, the scan is still running, so don't cancel the process.
  • You can use the System Update Readiness Tool on computers that are running Windows 8, Windows 7, Windows Server 2008, Windows Server 2008 R2, and Windows Vista.
To run the System Update Readiness Tool, follow the steps that correspond with your version of Windows:
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For Windows 8

  1. Swipe in from the right edge of the screen, and then tap Search. (If you're using a mouse, point to the upper-right corner of the screen, move the mouse pointer down, and then click Search.)
  2. Type command prompt in the search box.
  3. In the list of results, swipe down on or right-click Command Prompt, and then tap or click Run as administrator.
  4. In the Administrator: Command Prompt window, type the following commands exactly as they appear. Press the Enter key after each command:
    • DISM.exe /Online /Cleanup-image /Scanhealth
    • DISM.exe /Online /Cleanup-image /Restorehealth
  5. To close the Administrator: Command prompt window, type Exit, and then press Enter.
  6. Run Windows Update again.
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For Windows 7, Windows Vista, Windows Server 2008, Windows Server 2008 R2

  

Use the Microsoft Download Center to install the System Update Readiness Tool


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Note To install the correct version of System Update Readiness Tool, you must know what version of Windows that you are running.

  • To determine which version of Windows that you're running, follow these steps:
    1. Click Start, type msinfo32 in the Start Search or Search programs and files box, and then press Enter.
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    2. On the OS Name line, locate the version of Windows that's installed on your computer. On the System Type line, locate the type of computer that you have.
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Note x86-based system= 32 bit system and x64-based system= 64 bit system.

The following files are available for download from the Microsoft Download Center:
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Operating systemDownload link
All supported x86-based versions of Windows Vista
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Download
Download the update package now.
All supported x64-based versions of Windows Vista
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Download
Download the update package now.
All supported x86-based versions of Windows Server 2008
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Download
Download the update package now.
All supported x64-based versions of Windows Server 2008
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Download
Download the update package now.
All supported IA-64-based versions of Windows Server 2008
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Download
Download the update package now.
All supported x86-based versions of Windows 7
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Download
Download the update package now.
All supported x64-based versions of Windows 7
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Download
Download the update package now.
All supported x64-based versions of Windows Server 2008 R2
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Download
Download the update package now.
All supported IA-64-based versions of Windows Server 2008 R2
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Download
Download the update package now.
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More information

What does the System Update Readiness Tool do?

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The System Update Readiness Tool verifies the integrity of the following resources:
  • Files that are located in the following directories:
    • %SYSTEMROOT%\Servicing\Packages
    • %SYSTEMROOT%\WinSxS\Manifests
  • Registry data that is located under the following registry subkeys:
    • HKEY_LOCAL_MACHINE\Components
    • HKEY_LOCAL_MACHINE\Schema
    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Component Based Servicing
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Note This list may be updated at any time.

When the System Update Readiness Tool detects incorrect manifests, files, or registry data, it may replace the incorrect data with a corrected version.
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Windows Update installation errors that the System Update Readiness Tool may fix

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The following table lists the Windows Update installation errors that may be fixed by the System Update Readiness Tool. However, the tool may be unable to fix every instance of these errors.
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Code Error Description
0x80070002 ERROR_FILE_NOT_FOUND The system cannot find the file specified.
0x8007000D ERROR_INVALID_DATA The data is invalid.
0x800F081F CBS_E_SOURCE_MISSING The source for the package or file not found.
0x80073712 ERROR_SXS_COMPONENT_STORE_CORRUPT The component store is in an inconsistent state.
0x800736CC ERROR_SXS_FILE_HASH_MISMATCH A component's file does not match the verification information present in the component manifest.
0x800705B9 ERROR_XML_PARSE_ERROR Unable to parse the requested XML data.
0x80070246 ERROR_ILLEGAL_CHARACTER An invalid character was encountered.
0x8007370D ERROR_SXS_IDENTITY_PARSE_ERROR An identity string is malformed.
0x8007370B ERROR_SXS_INVALID_IDENTITY_ATTRIBUTE_NAME The name of an attribute in an identity is not within the valid range.
0x8007370A ERROR_SXS_INVALID_IDENTITY_ATTRIBUTE_VALUE The value of an attribute in an identity is not within the valid range.
0x80070057 ERROR_INVALID_PARAMETER The parameter is incorrect.
0x800B0100 TRUST_E_NOSIGNATURE No signature was present in the subject.
0x80092003 CRYPT_E_FILE_ERROR An error occurred while Windows Update reads or writes to a file.
0x800B0101 CERT_E_EXPIRED A required certificate is not within its validity period when verifying against the current system clock or the time stamp in the signed file.
0x8007371B ERROR_SXS_TRANSACTION_CLOSURE_INCOMPLETE One or more required members of the transaction are not present.
0x80070490 ERROR_NOT_FOUND Windows could not search for new updates.
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Logging

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The System Update Readiness Tool creates a log file that captures any issues that the tool found or fixed. The log file is located here:
  • %SYSTEMROOT%\Logs\CBS\CheckSUR.log
  • %SYSTEMROOT%\Logs\CBS\CheckSUR.persist.log
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Properties

Article ID: 947821 - Last Review: April 16, 2013 - Revision: 35.1
Applies to
  • Windows Vista Ultimate
  • Windows Vista Ultimate 64-bit Edition
  • Windows Vista Enterprise
  • Windows Vista Enterprise 64-bit Edition
  • Windows Vista Business
  • Windows Vista Business 64-bit Edition
  • Windows Vista Home Premium
  • Windows Vista Home Premium 64-bit Edition
  • Windows Vista Home Basic
  • Windows Vista Home Basic 64-bit Edition
  • Windows Server 2008 Datacenter without Hyper-V
  • Windows Server 2008 Enterprise without Hyper-V
  • Windows Server 2008 for Itanium-Based Systems
  • Windows Server 2008 Standard without Hyper-V
  • Windows Server 2008 Datacenter
  • Windows Server 2008 Enterprise
  • Windows Server 2008 Standard
  • Windows Web Server 2008
  • Windows Server 2008 R2 Datacenter
  • Windows Server 2008 R2 Enterprise
  • Windows Server 2008 R2 Standard
  • Windows 7 Enterprise
  • Windows 7 Home Basic
  • Windows 7 Home Premium
  • Windows 7 Professional
  • Windows 7 Starter
  • Windows 7 Ultimate
  • Windows 8
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