Try repairing with these command in an Admin Command prompt.
type cmd, right click cmd.exe, select run as an administrator, copy and paste these commands one at a time This could fix you at least enough to run a reset.
If not use
MCT to create a windows install media USB. Run the reset from this USB you create.
SFC /scannow
Dism /Online /Cleanup-Image /StartComponentCleanup
Dism /Online /Cleanup-Image /RestoreHealth
chkdsk /r