Windows 8 and 8.1 Forums


Upgrade from 7 Fails for no reason

  1. #1


    Posts : 4
    Win 7 Ultimate

    Upgrade from 7 Fails for no reason


    My Win 8 Pro upgrade is failing for no reason. Downloaded just fine, key works, goes through all the reboots, updates, etc. but at the very end I get a pop-up saying the installation has failed. No reason, code or anything else. Also tried with creating physical media.

    The only thing that might be different is that the Windows 7 Ultimate is from my still active Technet subscription. The Win8 Pro is the consumer download version that I wanted to test and save my Technet licenses for later.

    Anyone else experience a failure with absolutely no explanation or error code?

      My System SpecsSystem Spec

  2. #2


    Posts : 1
    windows 8 consumer preview


    yes, I am having the same issue, except I am currently running the Windows 8 consumer preview
      My System SpecsSystem Spec

  3. #3


    Posts : 4
    Win 7 Ultimate


    @Sandstripe, I'll try the same key to upgrade my CP version and report back to see if I have the same issues. I had suspected it might have been due to upgrading from a Technet key of 7 but after a bunch of googling, I don't think that's the case. The initial compatibility check was fine with only a few programs that wouldn't work with 8.
      My System SpecsSystem Spec

  4. #4


    Posts : 5,592
    ME, XP,Vista,Win7,Win8,Win8.1


    Try a clean install:
    Clean Install - Windows 8
      My System SpecsSystem Spec

  5. #5


    Posts : 4
    Win 7 Ultimate


    Clean didn't work either.
      My System SpecsSystem Spec

  6. #6


    Posts : 4
    Win 7 Ultimate


    So I finally got this to work by manually uninstalling the Intel Wi-Fi utility on the laptop and then installed by keeping only my files. Upgrade Advisor doesn't flag it but I have a friend at MS (I live in Redmond) and apparently this was one of the incompatibility edge cases.
      My System SpecsSystem Spec

  7. #7


    Posts : 1
    Windows 7 Premium


    I'm having this same issue unfortunately.
    I think it is linked to the issue of full administrative powers with Windows 7.
    Though I have tried by enabling the hidden admin account and everything.
    I still get this error on install.
    Hopefully someone knows a fix
      My System SpecsSystem Spec

  8. #8


    Posts : 1
    windows 8


    I had to do 2 things to install without error. 1. Manually delete antivirus folders even though I removed it in control panel. 2. Disconnect additional hard drives other than the one I installed windows on, internal and external.
      My System SpecsSystem Spec

Upgrade from 7 Fails for no reason
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