I have a dual boot pc with a asus mainboard p5k-se and XP + Vista.
All work for month but today I installed the new network driver from windows
vista Update. After rebooting vista DIED!
It's impossible to start as the machine go so slow that seems to be freezed!
The only way to boot is to start vista in same mode and DISABLE all the
network adapter. Vista will start again but iven if you install the old
driver again, VISTA will stop to work. But the incredible thing is that also
XP doesn't start!!!!!!!!!!!!!!!!!!!

So, I think the wrong driver should crash the mainboard network controller
untill you turn off the machine.

Infact after a long period off inactivity my pc boot again, I reinstall the
old driver and now I'm using my pc normally but...I can see the windows
update that says that there is a facolutative update: AAAAAARG!!!!!