Windows 8 and 8.1 Forums


Error 0xc0000021a - want to reset but Product Key invalid

  1. #11


    Posts : 9
    Windows 8.1


    I already changed my key with the W8 key going the pc settings, but still the SGS14-WindowsSetupBox-32bitand64bit-English-4141408.exe does not work with that key...​ So thate is no way for me to get a clean W8.1 ISO?

      My System SpecsSystem Spec

  2. #12


    Sydney, Nova Scotia, Canada
    Posts : 6,490
    Windows 10 Education 64 Bit


    Ops, My apologies, it's option 1 not 2. In step 2 of option 1 there is a link to download the old setup file.
      My System SpecsSystem Spec

  3. #13


    Posts : 9
    Windows 8.1


    That one doesn't work either, same message as the one downloaded form the Microsoft web site
      My System SpecsSystem Spec

  4. #14


    Sydney, Nova Scotia, Canada
    Posts : 6,490
    Windows 10 Education 64 Bit


    The "Can't connect to the Internet" message? Looks like you key is now blocked. Do you know anybody with a Windows 8.1 DVD that could burn you a copy of make you an ISO?
      My System SpecsSystem Spec

  5. #15


    Posts : 9
    Windows 8.1


    No not that one. It says "This product key didn't work. Pleas check it and try again".

    I have my parents laptop and my girlfriend laptop at home which I don't remember if they came with 8 or 8.1. I could try with those but I'm currently in the UK studying and I wont go back before the 2nd of September. If nothing works in the mean time, then I will try with that
      My System SpecsSystem Spec

  6. #16


    Sydney, Nova Scotia, Canada
    Posts : 6,490
    Windows 10 Education 64 Bit


    Just keep in mind that if you enter a Core key you get Core and if you enter a Pro key you get Pro. The Core download will not install Pro and vice versa.
      My System SpecsSystem Spec

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Error 0xc0000021a - want to reset but Product Key invalid
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