umm he downloaded it to back up his origional copy ! dont be mean chr u virgin techie ^_^
but if u dont have the origional copy u shouldnt download it, we all know that and we all dont do stufflike that.
anywyz ive had teh problem, all u have to do is keep reinstalling, restart dont turn on programs on ect.. make sure the install is the only thing running.
ive had the problem,
i also had to download a backup for my vice city