KB937287, the prerequisite update package for Windows Vista Service Pack 1 that update the service layer that handles installation and removal of software updates, language packs, optional Windows features and service packs in Windows Vista. However, the KB 987287 update have created various type of problems when trying to ‘update itself’ (essentially the KB937287 update is to update the updating component of Windows Vista), when users are installing it from Windows Update.

For lucky Windows Vista users, they may only face installation of KB937287 failed issue, which can be resolved by downloading standalone update package from Microsoft Download Center. However, there are more serious issues facing some users too.

Other problems and errors including the installation of KB937287 stuck at the following message:

configuring updates stage 3 of 3. 0% complete

After you receive this message, the computer reverts to the screen that displays the same message. Additionally, the update is not installed successfully, and the computer restarts, possible repetitively in endless reboot loop. Even if users manage to boot into desktop or Safe Mode, the update cannot be uninstalled or re-installed properly.

Microsoft publishes KB949358 that provides 3 recovery methods to restore computer to usable conditions. to manually download and install KB937287 update package.

Windows Vista x86-based systems: Download the Windows6.0-KB937287-x86.msu package
Windows Vista x64-based systems: Download the Windows6.0-KB937287-x64.msu package

Update: Microsoft releases v2 of KB937287 which requires KB949939, which Microsoft claims able to solve the problems.

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