hm, i been trying to overclock, everytime i overclock my cpu which is liquid cooled, it alway fails to overclock after a week or so, and it turns back to default, then i would overclock it again, but then it would fail in a couple days, thats exactly what happen to me this morning, it said your previous overclock failed, so i went to the setup, and overclocked it again, when i click on accept all changes my computer restarted and thats when the error message appeared, atleast thats when i first saw it, i dont think i downloaded a virus, because i have a antivirus and i did 3 quickscans, and 1 full scan and it didnt find no threats, there a file that i downloaded thats suspicious, am not sure, downloaded it yesterday, and today when i when i started it, it says Missing operatng sys