. regedit
2. hkey-local_machine/ software/ microsoft/ windowsnt/ currentversion/ wpaevents
3. select oobetimer (reg-binary) and press enter. now you will see a set of 12 keys.
4. ff d5 71 d6 ------> c4 (replace d6 with c4) 8b 6a 8d 6f d5 33 93 fd 5. exit regedit.
6. run
7. %systemroot%\system32\oobe\msoobe.exe /a
8. yes i want to telephone a customer service representative to activate windows.
9. click next
10. change product key
11. qmdgv-qrc2b-xf6jb-grghk-w9drc
12. update
don�ft worry about asking again.
restart system and repeat the option numbers 6 to 12, now the process will tell you that windows xp is already activated.