Win 7 x64 crashes freezes and no desktop gadgets

Hi last two days my windows is lice crazy, it freezes when im playng (mostley world of tanks) activation vidow for autocad / 3ds max 2012 did not working (it opens just empty window) windows 7 gadgets are invisible, you can see just the clock(like black circle) and today the launcher of world of tanks has began not to respond... i scanned system/startup/ and nothing... i had problems whit video driver (nvidia 560ti 1gb) and was not able to fix them but now my whole windows is playng crazy :/

Hello Grumman84, welcome to SF. It seems nobody has seen this post yet. Is it still valid? Please post back if so and I'll see what I can do to help.