Fix Activation Error code 0xC004C003 Product key blocked

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Windows is such a popular system created by Microsoft. Even if it is considered the most favorite one, it is still has a lot of errors and bugs. One of the common errors that users of Windows 10 are getting is error code 0xC004C003. It is like an activation error which states that the server determined the keys to be invalid or keys are blocked. If you upgrade Windows 7 or Windows 8.1 directly to Windows 10, there should not be such error.Usually, this kind of activation error will occur to those who fresh installed Windows 10.

Fresh installed Windows 10 is resulted in deleting everything that your old version had including the product key.Why does this error happen? The reason behind the error might be the servers of Windows which are overloaded. As the solution, you have to play waiting game and one day you will see that your Windows is activated automatically. If you have not upgraded your old version of Windows to Windows 10 and have not done clean install, then it might be the reason.

In this article, you will be given two methods of fixing activation error code 0xC004C003. The first one is resetting your PC. This one is worth to try. Firs, click on Start button, then go to Settings. Second, click on Update and Security. Third, go to Recovery on the left pane. fourth, reset it by clicking on Get Started which is the option of the PC. Fifth, wait until everything is over and see whether the error 0xC004C003 is fixed or not.

The second method is installing Windows 7 or Windows 8 then upgrade. You can always install Windows 7 or Windows 8.1 again and use Free Upgrade Feature to gt rid this error 0xC004C003 Product Key blocked. When you have upgraded your Windows to Windows 10, you can try to clean install without errors. First, you have to insert Windows Installation CD/DVD of which you have a Product Key. Second, boot the PC through DVD by changing boot priority in BIOS. Third, go through all the steps that are required to fresh installed Windows 7, Windows 8, or Windows 8.1. Fourth, make sure that whatever version of Windows installed is activated.

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If you want to upgrade to Windows 10, please download all the available updates to see Windows 10 notification in the tray. Fifth, you can download Windows Media Creation Tool from Microsoft if you cannot see the notification. Sixth, run the tool and use Upgrade This PC option to download Windows 10 and then ask several things before installing without the errors. Seventh, you have installed Windows 10 now and the copy should be activated without any errors such as activation error code 0xC004C003.

The second method is the alternative, so it is better for you to try the first one first. If you face any difficulties related to fixing this activation error code 0xC004C003 Product Key blocked, you ask a help from the experts.

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