Hello,I tried to upgrade my XP by adding service pack 2 but it told me that I did not have a genuine XP and that I had to download a genuine file After trying this, I found that I could not open any files on my desktop, and any files that I have downloaded to try and get rid of this problem I am unable to get to. Please help.
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You will have to get support from the computer vendor to get the genuine porduct key for your copy of XP. Or contact microsoft to resolve the problem; if your XP is not genuine, you will likely have to pay MS for a license and key.