Some Windows Vista errors are caused by corrupt system files causing instabilities,
but troubleshooting these problems manually can be almost impossible. Thankfully,
Vista includes a "System File Checker" application that will verify the integrity of core system files.
There are 2 types of scan, a verification and a scan/repair mode. The former will only check
the files without repairing them automatically, the latter will fix any errors it finds.
To begin, load the command prompt by starting "cmd" from
the run box (Press WINDOWS KEY + R to access this):
Then, type in one of the following commands (followed by the enter key)
depending on the type of scan you wish to perform: