This copy of Windows must be activated before you can log onEvery time you try to logon you get the following error message.
“This copy of Windows must be activated with Microsoft before you can log on. Do you want to activate Windows now?”
How to ResolveBoot into "
Safe Mode". To do this, turn the computer or laptop on and press
F8 repeatedly as it is booting up. Go into "
Safe Mode" by choosing the "
Safe Mode" option.
Once you are at the desktop in "
Safe Mode", Click "
Start" then click "
Run".
At the run command prompt type the following EXACTLY
rundll32.exe syssetup,SetupOobeBnk*NOTE: The "
Oo"'s in Oobe are "
oh's" - not "
zero's" There is one space after rundll32.exe. It is case sensitive as far as I know.
Click OKWait a few seconds - the screen may blip a few times or so.
This just reset Windows Activation for 30 days.
Reboot the PC into normal mode - log in - re-activate Windows
Also take a look at this page:http://support.microsoft.com/kb/312295/en-usAnd here is another way to get around this problem:http://www.briteccomputers.co.uk/forum/tutorials-and-how-to/fix-windows-xp-activation-infinite-loop/
