xp profesional upgrade

  brindley 21:19 10 Aug 04
Locked

i upgraded from windows xp home to windows xp profesional and put in the correct product i.d
when loading , i was asked to locate a file related to the windows xp home. I do not have this,and now when i try to get downloads from microsoft, i am informed that my product i.d is not correct.

  Fruit Bat /\0/\ 21:24 10 Aug 04

what was the file you needed?

  brindley 22:51 10 Aug 04

thanks for your reply.
on loading XP Professional it asked for file
SISAGP.SYS on Silicon Integrated Systems installation disk (AGP)

  brindley 01:08 11 Aug 04

i found a downoad for sisagp.sys and put it on when re-loading xp profesional.
i still can not get upgrade sp1 to load. i get
THE PRODUCT KEY USED TO INSTALL WINDOWS IS INVALID.

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