Windows 7 error can’t activate 0x8007007B

After a clean windows 7 installation with Novicorp WintoFlash of  could not activate correctly. I’ll get error the error: 0x8007007B

The easiest way to fix this problem is re-register the Windows key with the following steps:

  1. Click on the Start Button and type: CMD (into the ‘Search programs and files’ field in the Start Menu)
  2. The Start Menu will show ‘CMD.exe’,
  3. Right-click the CMD.exe file and select Run As Administrator.
  4. In the CMD window, type: slmgr.vbs -ipk <type your product key here>
  5. To activate windows after changing the key, type: slmgr.vbs -ato


Author: Thomas Faddegon

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  • Phil Reyes

    Hello There. I tried your suggestion and it worked.

  • Nice to hear that 🙂 The solution helps me twice too 🙂

  • Walt van Meer

    Thanks a lot, worked for me too ! This is a lot faster than uninstalling and reinstalling.

  • jose luis

    Thanks. It works.

  • Jon Huntley

    Fantastic! You turned a horror story into an easy solution. I really appreciate your time and help with this.

  • thank you this worked

  • Maddin

    Thank a lot – works great!

  • assenav

    thanks, just so you know, this article helps me with my activation.

  • Runner

    Cool, thanks alot! My Win 8 refused to activate after upgrading from Win7

  • Diggu

    its not working giving error 0xC004F050. HELP

  • Alex

    You, sir, are a scholar and a gentleman. You have saved me much trouble.

  • armash

    no its not working…still getting the same error 0x8007007B