How to fix Windows 10/11 Activation error 0xC004C003

How to fix Windows 10/11 Activation error 0xC004C003

When you are trying to activate your Windows 10/11, you may see Windows Activation Error Codes on your computer screen Error 0xC004C003, It has been reported by many users. This problem can mostly occur because the key is invalid. With this error code, you may see the following message:

0xC004C003, The activation server determined the specified product key is blocked
There is another error message with 0xC004C003 too:
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

If you input the product key to activate Windows 10/11, then the license key might not be valid for activation. In this case, you’ll have to use a different key to activate Windows. If you purchased this key, please contact the vendor and ask them to replace it or offer you a refund.

And you can get a Windows 10/11 Product key from our store keyingo directly, all the Windows 10/11 Product key are retail version, you won’t have the issue with the activation error 0xC004C003 !

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