I have run sfc /scannow a number of times (as an administrator) and I always get a message that says System File Checker has found corrupted files but cannot repair some of them. I have opened the Log and have found many files which SFC says are corrupted. In Windows XP, there was an easy way to fix this by placing a copy of the System Files in a folder under C:\Windows. I cannot find a way to do this with Windows 7. It has been suggested that the only way to do this is to perform a repair install. This concerns me as I have also been told that it doesn't always work. My computer runs fine but I'd like to fix this problem so that, when I run SFC /scannow, I will get no more error messages.