Run all these commands as Administrator in Command Prompt. First, this command will check the current drive for errors:
chkdsk /scan
This command will check the current drive for errors, check for bad sectors, and try to repair them:
chkdsk /scan /R
This command will check current Windows Image integrity:
DISM /Online /Cleanup-Image /ScanHealth
This command will check and repair the Windows Image:
DISM /Online /Cleanup-Image /RestoreHealth
Then, finally run this to check current System Files:
sfc /scannow