When you encounter this issue, you’ll receive the following full error message; You’ll encounter this error due to a counterfeit Windows copy or a previously installed update that altered your system files. We can’t activate Windows on this device because you don’t have a valid license or product key. If you think you do have a valid license or key, select Troubleshoot below. (0x803fa067)
Windows 11/10 Activation error 0x803fa067
If you’re faced with this Windows 10/11 activation error 0x803fa067, you can try our recommended solutions below in no particular order and see if that helps to resolve the issue. Let’s take a look at the description of the process involved concerning each of the listed solutions.
1] Run Windows Activation Troubleshooter
This solution requires you to run the inbuilt Windows Activation Troubleshooter. Basically, if your Windows 10/11 is not activated after changing the hard drive, SSD, or motherboard, you can use the built-in Activation Troubleshooter to address the issue and get your copy of Windows activated without having to contact the support team. Note: The Troubleshoot option is available only if your copy of Windows isn’t activated. Once you activate, the option disappears. If the troubleshooter fails to resolve the activation error 0x803fa067, you can try the next solution.
2] Disconnect PC from the internet before upgrading
Here, you need to disconnect your Windows device from the internet and then retry the upgrade from Home to Pro edition of Windows.
3] Change the Product Key
If you don’t have a valid digital license, you may encounter this activation error. In this case, you can change the product key to resolve the issue. See this guide if the Change product key link is not available.
4] Activate Windows by phone
If none of the above resolved the issue at hand, you can try Phone activation. TIP: More suggestions here to fix Windows Upgrade error codes. Hope something helps!
