Yes, it is possible to reinstall Windows XP on an existing setup.
Yes, it is possible to reinstall Windows XP on an existing setup.
I have a Windows XP system affected by disk issues and file damage. It runs normally but slows under heavy use. The SFC scan came back clean, so the problem isn’t detected there. Yes, you can reinstall Windows XP on top of what’s already installed to recover files missed by SFC.