I've attached the message. The instructions to find the logs don't seem to work, but even if I found them, I don't have the background to fix them. Is there software that can do the job?
DISM repairs the system file source cache in the WinSxS folder. This is the source that SFC pulls from, to repair system files if needed. Now if the system file source cache is corrupted and not fixed with DISM repair first, then SFC end up pulling files from a corrupted source to fix problems.
Thanks. By elevated, do you mean "As Administrator?". I never noticed that term in the right-click options. One idea I found online was to run sfc in Safe Mode. Since this is marginally more straightforward, I will try it first.Run DISM and then try SFC again ....
In an elevated command prompt, type the following command ...
Dism /Online /Cleanup-Image /RestoreHealth
.... and allow DISM to complete. You'll need an active connection for this as DISM needs to connect to Microsoft's server to get the necessary system image it needs to work.
Once that has completed, in an elevated command prompt, type ...
... and with any luck it should now complete its scan successfully.
The reason for this is as follows ...