I just did the upgrade to 10 and it will not install the new video driver. I am not so sure its 10 that is the issue this machine and video card are both older.
Processor Intel ® Core2 Duo CPU E6750 @2.66GHz 2.67 GHz
(RAM) 3.50 GB
32 bit OS x64-based processor
Gforce 8600GT video card
Gigabit S- series MB