How to Fix Windows 11 Activation Error 0xC004C003? (4 Ways)


Windows 11 is popular with many users due to its new user interface and new features. Perhaps you have upgraded Windows 10 to Windows 11. Windows 11 offers many editions and you may choose to install the basic edition – Home. Because of some reason, you choose to upgrade Windows 11 Home to Pro. However, when you activate the system, error 0xC004C003 happens. This issue is also annoying in Windows 10 (including 21H1).

On the screen, you can see the message “We can’t activate Windows on this device because you don’t have a valid digital license or product key. If you think you do have a valid license or key, select Troubleshoot below. Error code: 0xC004C003”. Besides, you may see Windows 11 Enterprise instead of the updated version.

You know, Windows licensing code component is used to access the registry hive and verify the product key. But if there is incorrect access, the 0xC004C003 error is triggered. Fortunately, you can fix the issue.

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Created by Vera 36 weeks 3 days ago – Made popular 36 weeks 2 days ago
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