How to Back up your Product Activation Files

1. Right click Start and click Explore.
2. In Windows Explorer, navigate to \WINDOWS\System32\ (usually on the c: drive but may be on a different drive depending on where you installed XP).
3. Copy the following files to a floppy, CD or second hard disk: wpa.dbl, wpa.bak.

To restore the files, start the computer in Safe Mode and copy them to the same directory (\WINDOWS\System32).

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