Fix Windows Update and other problems with Microsoft's System Update Readiness Tool

MrBrian · Jul 16, 2010

(For Windows Vista, Windows Server 2008, Windows 7, and Windows Server 2008 R2)

From http://support.microsoft.com/kb/947821:

What is the System Update Readiness Tool?

System resources, such as file data, registry data, and even in-memory data, can develop inconsistencies during the lifetime of the operating system. These inconsistencies might be caused by various hardware failures or might be caused by software issues. In some cases, these inconsistencies can affect the Windows servicing store, and they can cause software updates not to work. The System Update Readiness Tool tries to resolve these inconsistencies.

What does the System Update Readiness Tool do?
The System Update Readiness Tool verifies the integrity of the following resources:

* Files that are located under the following directories:
o %SYSTEMROOT%\Servicing\Packages
o %SYSTEMROOT%\WinSxS\Manifests

* Registry data that is located under the following registry subkeys:
o HKEY_LOCAL_MACHINE\Components
o HKEY_LOCAL_MACHINE\Schema
o HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Component Based Servicing

When the System Update Readiness Tool detects incorrect manifests, files, or registry data, it might replace the incorrect data with a corrected version.
Click to expand...

After installation, check the log, found at %windir%\logs\cbs\checksur.log. If it can't fix some problems, then look at Advanced guidelines for diagnosing and fixing servicing corruption.

Note: Windows Update supposedly offers System Update Readiness Tool whenever it detects a problem that System Update Readiness Tool might fix, but some on the Internet have claimed otherwise.

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Fix Windows Update and other problems with Microsoft's System Update Readiness Tool

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Fix Windows Update and other problems with Microsoft's System Update Readiness Tool

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