How to: Run sfc scan in Windows 10

Hold Windows key and press R
Type lusrmgr.msc and press Enter
Double click Users
Check
if the PRVK is available there. If it is, right click and click
Properties and make sure the option “Account is disabled” is unchecked

Try this and let me know if ti solves the problem. If it doesn’t then let me know we will try something else

run command prompt as administrator

Run command prompt as administrator.

choose advanced options and then do a system restore

Sir this is appearing on my Windows 8
I have tried all advance options but doesn’t work

Hopefully, if you don’t see issues.

What was the error message?

I had the same error message. re-typed it correctly but still got the very same error message

Please submit this as a new question on eQuestions.net/ask

My computer just said windows could not perform the requested operation. I
Am dealing with start up error 0xc000021a

There is showing how to mount; but you will need to download ISO for Windows 10 Media Creation Tool. How to: Mount an ISO File

thanks, but is there a short guide I could use

You need to create and burn windows 10 iso, mount it and then use it’s path in the command.

I think I did, you mean drive like c:

still keeps popping up the same message.
could this be because I changed the accounts username some time back

The e-mail issue then must not be caused by the corruption of system files. It could be a different issue. I suggest you post complete details of it on equestions.net/ask

still keeps saying the same thing
could be the fact that I haven’t activated windows yet

MINE SAID Error: 87

The online/cleanup-image/restorehealth option is unknown.

For more information, refer to the help by running DISM.exe/?.

The DISM log file can be found at C:WINDOWSLOGSDISMdism.log

DISM.exe /Image:C: /Get-Packages

instead of DISM.exe /Online /Get-Pacages

/Online can only be used in windows not in the Windows Preinstallation Environment (WinPE)