The 0x803fabba error appears on Windows 10/11 when you change the motherboard, or there are significant hardware changes
How to fix the error 0x803fabba on Windows 10/11?
You try to reactivate Windows 10/11 after a hardware change to fix the error 0x803fabba
Step 1: You click Troubleshoot
Step 2: You click I changed hardware on this device recently
Step 3: You click This is the device I’m using right now=> Activate
Done
You can watch this video to know how to fix the Error 0x803fabba on Windows 10/11
In step 3 if you see “We can’t reactivate Windows from these devices“, it means your account hasn’t license key. It has 3 abilities:
- You log in to the wrong account admin. You should check the account
- Microsoft doesn’t update the status of the old PC. You start old PC and reset it
- Your key was blocked. You can buy new Windows 10 Pro key here for $25/key (lifetime): https://taloshop.xyz/ban/product/cheap-windows-10-pro-product-key/
Tag: How to fix the Error 0x803fabba on Windows 10 11, 0x803fabba site answers.microsoft.com
