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Reinstalling Windows XP


How to Reinstall Windows XP Without Having to Reactivate With Microsoft:


Product activation monitors the system configuration. If it detects a major hardware change or even too many minor hardware changes within a set number of days (I believe it's 180 days before it resets) then it crosses the threshold and requires reactivation.

Users who reformat their hard drive and perform a clean installation of the operating system will find that they need to reactivate the product. But, as long as the new installation is on the same system and there won't be any hardware changes it is possible to transfer the existing product activation and skip having to go through the product activation process again. Follow the steps below to save the activation status information and restore it once your system is rebuilt:

   1. Double-click My Computer

   2. Double-click on the "C" drive

   3. Go to the C:\Windows\System32 folder (you may have to click on the link that says "Show The contents of this folder")

   4. Find the files "wpa.dbl" and "wpa.bak" and copy them to a safe location. You can copy them on a floppy drive or burn it onto a CD or DVD.

   5. After you have reinstalled Windows XP on your reformatted hard drive, click "No" when asked if you want to go ahead and go through the activation process

   6. Reboot your computer into SafeMode (you can either press F8 as Windows is booting up to see the Windows Advanced Options menu and select SAFEBOOT_OPTION=Minimal or follow the instructions in Starting Windows XP in SafeMode

   7. Double-click My Computer

   8. Double-click on the "C" drive

   9. Go to the C:\Windows\System32 folder (you may have to click on the link that says "Show The contents of this folder")

  10. Find the file "wpa.dbl" and "wpa.bak" (if it exists) and rename them to "wpadbl.new" and "wpabak.new"

  11. Copy your original "wpa.dbl" and "wpa.bak" files from your floppy disk, CD or DVD into the C:\Windows\System32 folder

  12. Restart your system (if you followed the directions in Starting Windows XP in SafeMode you may need to go back into MSCONFIG to turn off booting into SafeMode)

Voila! Your Windows XP operating system is now reinstalled on your reformatted hard drive and you are all activated without having to actually go through the product activation process!


Remember though: This won't work for transferring activation information from one computer to another or if you alter the hardware because the information contained in your "wpa.dbl" file will not match the configuration of the computer. This trick is only for reinstalling Windows XP on the exact same computer after formatting the hard drive.







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