ok so i installed fallout 3 to computer local disk (C:) Fallout 3, ok. So then I downloaded and installed archiveinvalidation invalidation to fallout 3, yet when i click to run it, it tells me that it cannot find fallout.ini, please select the fallout.ini located in your my documents folder. i clicked ok and all my options are data fallout_default wich i am pretty sure that is it, and then high low medium and veryhigh, none of them work, obviously, but the fallout_default should have worked im guessing, and according to my documents i dont have a fallout ini, so what is goin on, i followed you instructions and i cant proceed to find my fallout ini for it to continue, please help, i might just switch back to program files if it wont work on here. Thanx