yes ive done a check disk, and if you read all the other people, there having same problems, has to do with alt.binz Sucking up huge memory, keep getting out of memory error, and also like i said, when i let my machine fun for 24-48 hours it doesnt even blink, all my errors begin when i start using alt.binz or open it up, an when i use quick Par to do a Repair on a file i downloaded with alt.binz , like i said just read on here and lots of people using this program are getting memory errors big time, locking up pc and crashing pc, cant be a koinkidink ? or Could it ?