Found my own solution. Go to Major Geeks and look for :
ProduKey 1.92
This handy bit of software lets you locate your Windows product code so you can use it to do a reactivation.
Activation error 0xC004F03
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Anonymous
W10 wouldn't update. Couldn't solve problem. Decided to reinstall W10. Now can't activate with subject error code. Activate troubleshooter gave no solution. Says I have a licence for W10 home and it is installed. Help.
Windows for home | Windows 10 | Install and upgrade
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Anonymous
2018-03-24T20:28:05+00:00