I have Acer notebook with valid product key on behind of my notebook, but now i installed new windows but not with original acer cd. now at the startup told me you must be activate, when i try to by telephone and type my product key, it accept and then i choose remind me, restarted windows but still ask me for activation. i should to tell you that i changed some value on oobetimer, and i dont know what i did change.please help me.
Sincerely Yours.
Mohsen