My experience goes from bad to worse! Product Key Not VALID?


  1. Rhothgar
    Posts : 49
    Windows 7 Ultimate x64 SP1
       New #1

    My experience goes from bad to worse! Product Key Not VALID?


    Morning,

    Anyone who has had input on my other recent threads regarding random crashing will know the hell I have been going through.

    I've now followed some advice to do yet another reinstall. I had probably done 3 or 4 before I joined this forum and I was loathed to do another. Anywhere, I did and formatted the drive using DISKPART and...

    It states my product key is not valid. This is a Windows 7 Home Premium Upgrade key I am talking about.

    Question is now what? I've re-entered it twice just to make sure characters were not wrong!
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  3. Rhothgar
    Posts : 49
    Windows 7 Ultimate x64 SP1
    Thread Starter
       New #2

    IGNORE! SORTED!

    Used slgmr /rearm after editing registry.

    Thank you!
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  4. RolandJS
    Posts : 2,774
    Windows 7 Professional 64-bit
       New #3

    I want to learn from you! What was the registry edit just before User slgmr /rearm? Thanks! I'm keeping the steps on my hard-drive.
      My Computer
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  6. Rhothgar
    Posts : 49
    Windows 7 Ultimate x64 SP1
    Thread Starter
       New #4

    Just what I found on there somewhere. Can't find it now but I created my own batch file rather than downloading.

    Text editor:
    REG ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Setup\OOBE /V MediaBootInstall /T REG_DWORD /D 0 /F

    slmgr /rearm

    Save as .bat file to Desktop and run as Administrator via Right Click.

    Found it!

    Option 3 here:-

    Clean Install with a Upgrade Windows 7 Version

    Note that this May not have solved my overall problem which is random crashing. I have now performed clean install for 4/5 time but this time ensured 100Mb System Reserved partition was not created. But take note you may need that partition if you want to use BitLocker!
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