Activation problem

[Guest]

I reactivated XP automatically over the internet 2 months ago when I
reformated. Now it say it must be activated, when you click activate it says
it has already been activated and logs off. I have install a couple of
hundred sets of XP and never had this problem before

 

[Jupiter Jones [MVP]]

Reboot to Safe Mode:
Reboot tapping F8 each second.
Select Safe Mode at the menu

Start/Run
Type "regsvr32.exe regwizc.dll" ENTER
Type "regsvr32.exe licdll.dll" ENTER

Reboot.
Activate

 

[Guest]

After reboot, behavior was the same as before

Reboot to Safe Mode:
Reboot tapping F8 each second.
Select Safe Mode at the menu

Start/Run
Type "regsvr32.exe regwizc.dll" ENTER
Type "regsvr32.exe licdll.dll" ENTER

Reboot.
Activate