disable uac , turn off anti virus if avg probly gotta uninstal , download .net framework 1 and 2 , edit settings with mpgh info , make sure all files in ca folder , if no work reinstall hack by deletig hax right click ur ca shortcut and click open file location and if u did have ur hax there like they should be right click them and click delete and go 2 recycle bin and right click it and say empty recycle bin then go back 2 daves post and redownload-i highly doubt it was a virus