games minimize at random points....

[zx|muppet]

so fresh install of win 7, install all my drivers and restart. boot up wow and every few min it will minimize to desktop.

thought about trying another game so onto BF3 i went. same problem! SWTOR... same again! i have no idea what is causing this!

pc specs

2600k
asrock z68 mobo
2x gtx 570
8gb ram

any help would be great here!