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    Windows 7 SErvice Registration disappearing

    Hi I am repeatedly having the PC lose the service registration. When this happens startup gets almost to the main screen and a black screen appears with a message that windows 7 is an invalid copy. I have then to run the windows update trouble shooter to have the service registration...
    • mercian777
    • Thread
    • activation issues black screen invalid copy pc issues service registration software problems troubleshooting windows 7 windows update
    • Replies: 1
    • Forum: Windows Help and Support
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