KB971092 won’t install (Visual Studio 2008 Security Fix)

From Microsoft Connect:
(https://connect.microsoft.com/VisualStudio/feedback/ViewFeedback.aspx?FeedbackID=478117)

Until Microsoft come up with an official solution there is a working workaround for this problem.

This problem only appears to affect people who have not got Visual C++ Installed.

1.) Download VS90SP1-KB971092-x86.exe from here …
http://www.microsoft.com/downloads/details.aspx?displaylang=en&FamilyID=294de390-3c94-49fb-a014-9a38580e64cb
2.) Start the installation VS90SP1-KB971092-x86.exe
3.) Wait for the error message to come up – DO NOT CLOSE THE WINDOW!
4.) Copy the temp. folder where the patch has been unpacked to a new folder, for example onto your desktop.
5.) Close VS90SP1-KB971092-x86.exe that you started in 2.)
6.) Navigate to <drive>:\Program Files\Microsoft Visual Studio 9.0\Common7\Tools and find vsvars32.bat.
7.) Change the permissions on the file to allow everyone to edit it.
8.) Start VS90SP1-KB971092-x86.msp from within the saved folder and the process should complete.