Just ran windows update, and got this one:
Windows Genuine Advantage Notification (KB905474)
Any1 tryed installing it, is this the "your windows MIGHT not be genuine" patch? 
AMD 64 X2 5200+
MSI K9N Diamond Delux
4 GB DDR2 BalisticX PC5300
XFX GeForce 8800GTX
Creative Fatalyity gamer pro
2 x Samsung 320 GB SATA2
Acer 1951Ds (2 ms)