I have recently upgraded 5 machines from windows xp home to windows xp pro. (used upgrade cd and have valid key for all the machines)
That worked great but im unable to run windows update on any of the machines.
It does not come up with any of the known error message. It just says failed to install. With no error code.
There is diffrent hardware on all of the machines.
IE did not work either on the machines. It only allowed one window open at once.
But after i upgraded (downloaded from MS from the server) It started working.