Error 0x803fabc3, after updating to windows 11

Question

Hello!
I had to replace my motherboard last week due to a manufacture error, I got a new of the exact same model and its worked just fine.

The day after the motherboard was replaced i got the opportunity to update to windows 11 from windows 10, through Windows update.

Since then my system say that my Windows license need to be activated. When i try to activate it, it states that Windows cant be activated on the device followed by error code 0x803FABC3.

When i go in to options for "Activate windows after hardware change", i get a message saying Microsoft cant be reached.

I have tried - sfc /scannow, and checked system file integrity but to no help.

Any ideas how to fix this?

Best regard!

/W

Answer 1

Thank you for that information.

This problem is caused by Microsoft finally removing the loophole to allow the free upgrade from Windows 7/8 to Windows 10/11 on the 20th of September, it is no longer possible to activate Windows 10 or 11 using a Windows 7 or 8 product key.

Answer 2

Hello!

Its based on a previous windows 7 license. I still have the windows key.

Answer 3

HI, I am Dave, I will help you with this.

Where did you get your Windows licence was that pre-installed on the PC or did you purchase a full retail Windows licence from Microsoft or from a 3rd party retailer, and if so, do you have the product key?

Or is your Windows licence based on a previous Windows 7/8 licence?