Windows 7: Encountering a problem with my windows gadgets

Hi, i encountering a problem with my windows gadget. it went invisible and the only thing i can see is the exit button. however those gadgets still worked and if i right click the gadget i still can change the option like opacity and everything.

i already tried to reinstall the gadget but the problem presist. i even tried the .dll registration in command prompt but with no avail.

its all happen after i install a pc game "Transformers : Fall of Cybertron'', right after i install it, not only my windows gadget went invisible but also my mozilla firefox went black.

Gadgets not Displaying Correctly in Windows 7 - Fix