Since I got my new work pc with Vista around last october, every night when I shut it down it would try and fail to install an update, this one:
Update for Windows Vista (KB929777)
Installation date: 19/03/2008 08:30
Installation status: Failed
Error details: Code 8000FFFF
Update type: Recommended
Install this update to address an issue in storport.sys which results in a system crash when certain hardware configurations exist. After you install this item, you may have to restart your computer.
More information: http://go.microsoft.com/fwlink/?LinkId=80411
Help and Support: http://support.microsoft.com
A google revealed that it was because my pc had 4G of memory. There were various hacks to install it but the easiest way was to simply whip out 2G, install the patch, then stick the memory back in. Something I like about the Dell Precision 390 is that you can do this find of thing without touching nasty screwdrivers.
Installing this patch seems to have opened the door to Vista SP1 which the auto upgrade pushed on me. I installed it and the process wasn't so bad. You may want to watch out for the 'reboot now' message as the bulk of the actual installation happens as the pc is shutting down, meaning you can't do anything else. In my case this only took a few minutes, it didn't take an hour as folk on slashdot were moaning.
I can't see any difference for having SP1 except it keeps nagging me to join Microsoft's customer experience program or some such marketing twaddle. Not hassling me would be my first suggestion.
Then again, this pc is a bog standard Dell, no printers, digital camera, scanners, top end video card or whatever to break.
Peter's Moblog
Not sure if it's intentional or not, but you spelt slashdot wrong in the URL (you've got it as shashdot)