I have two computers (win10x64 and win7x86) that completely freeze from time to time (black screen), and the only solution is to unplug them.

If I use DISM /Online /Cleanup-Image /RestoreHealth, how will it affect the currently installed software, or any windows configuration I might have changed. Will I need to start over ?

  • Any corrupt system files will be repaired. – Ramhound Jun 11 '18 at 13:54

Run first sfc /scannow before doing DISM.

Theoretically, your configuration should not be affected by either of these commands. But in case of advanced degradation of your system, the repair itself might cause further damage. The chances for that are very slim, but do not skimp on backups before starting.

I suggest having a look at this answer of mine.

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