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4 repair commands to run before you reinstall Windows

Reinstalling Windows is disruptive. Run these built-in Command Prompt repairs in the right order to fix disk, system files, and update issues first.
Ars Technica

Using sfc /scannow: How can I select the Installation source?

I am trying to verify that all protected Windows files are intact and in their original versions using the 'sfc /scannow' command. <BR><BR>I originally installed Windows XP SP1 (Slipstreamed) from the ...