0xc004c003

  1. Windows 10 Reinstalled windows 10... will not activate!

    Okay so today I was having some major issues with windows 10, apps were taking forever to load and i did a defrag and after some more issues i decided to reinstall windows. But for some reason i keep on getting a error 0xC004C003. So windows 10 as of now is unactivated, I had a valid key and I...
    • Ralph Bromley
    • Thread
    • 0xc004c003 activation app clean install community defrag error gaming hardware invalid key issues performance reinstall support tech help troubleshooting uefi unactivated update windows 10
    • Replies: 1
    • Forum: Windows Help and Support
  2. T

    Windows 10 Windows 10 activation error: 0xC004C003

    Yesterday I have upgraded my Windows 7 SP1 to Windows 10 using Get Windows 10 App. After a while I found out that it can't activate it, it says error code: 0xC004C003 I've no idea why I can't activate my Windows 10. So I went back to Windows 7, and I want to install Windows 10 again as soon as I...
  3. S

    Windows 10 Error code: 0xC004C003

    anyone know y am getting this error. I have my key and everthing so I cant figure out what is going on
    • senthiele
    • Thread
    • 0xc004c003 activation error license software issues system error troubleshooting user query windows key
    • Replies: 5
    • Forum: Windows Help and Support