Microsoft admits installing KB937287 with other windows updates will not
work, and as pulled the patch. Therefore you have to install KB937287
seperately and preferably as a standalone then KB938371 and other
patches should install OK. The problem caused many machines to
multi-boot with unsuccesful installs, and in some cases failed to system
The standalone patchs can be found at:
'Download details: Update for Windows Vista (KB937287)'