Windows 8 WMC doesn´t upgrade to Windows 8.1 WMC

Discussion in 'Windows 8' started by ultimate_live, Jan 15, 2014.

  1. ultimate_live

    ultimate_live MDL Addicted

    Mar 15, 2011
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    For testing purposes only, I installed Windows 8 with Media Center without a key and activated with MTK 2.5 B5.
    Then I launched Setup to upgrade to Windows 8.1 with Media center. But upgrade stopped after getting the following Message: "Setup has failed to validate product key".
    Exists a workaround to solve this problem ?
     
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  2. ricktendo64

    ricktendo64 MDL Expert

    Apr 20, 2008
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    Did you also upgrade your disk to be Pro with WMC?
     
  3. ultimate_live

    ultimate_live MDL Addicted

    Mar 15, 2011
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    Yes, I have both, Pro with WMC.
     
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  4. pun

    pun MDL Senior Member

    Oct 19, 2013
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    IIRC, VL-activated versions of 8 are not eligible for upgrade to 8.1. :g:
     
  5. ultimate_live

    ultimate_live MDL Addicted

    Mar 15, 2011
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    They are Retail versions...
     
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  6. jayblok

    jayblok MDL Guru

    Dec 26, 2010
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    Is WMC really an essential or necessity ? ☉_☉
     
  7. abbodi1406

    abbodi1406 MDL KB0000001

    Feb 19, 2011
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    What key did you enter in the setup?

    and do note, ProWMC activated with MTK become Volume Edition, not retail