Friday, March 5, 2010

What is ‘QFECheck.exe’ and What is it used for?

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The tool called QFECheck.exe is a Microsoft Windows tool that allows you to check the status of installed hot fixes on your Windows Server or Windows Client operating systems.
Checking the hot fixes is very much important, especially in a production environment, why because, we can make sure whether installed hot fixes are successful or not.
QFECheck.exe is basically a command line tool, but it’s not bundled with any Windows Operating system, we have to download and install it.
QFECheck.exe will read the registry entry path: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Updates pull the patch installation history.
Download QFECheck.exe from HERE
QFECheck.exe helps you to identify the below issues:
  • Files that have been hotfixed, but for which the installed binary file is not current.

    Qfecheck reads the registry key that is associated with each update, and checks the version number that is recorded in the registry against the current version of the same file that is installed. If the current version is lower than the version that is recorded in the registry, Qfecheck reports an error.
  • Hotfix files that are current, but are not considered valid by the installed catalogs.

    For each file that is installed by a hotfix, Qfecheck checks to see that the current catalogs on the computer contain the information that would be used by Windows File Protection (WFP) to validate the file. If a file is valid according to the hotfix information in the registry, but the installed catalogs do not concur, Qfecheck reports an error.
Here is a screenshot of an output from QFCheck.exe

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