Win 7 64 bit crahes

[Bombatta]

The game gets pretty unstable for me in Win 7 64 bit. After playing for about 30 mins or so, the game crashes back to the desktop. kb.exe error

Are there known issues with KB running on Win 7 64 bit ?

[twocandles]

I play for hours with same setup and no problem...Look into the Information center to see if it helps (little flag on the systray)