For this, the solution is that user should play the waiting game and with this, you will automatically able to see that your Windows is activated. Since the Windows servers are overloaded and due to this may the user are facing this error. Reasons Responsible For Activation Error Code 0xC004C003 Here we have given the manual steps to fix this Activation Error 0xC004C003 in Windows 10. But the user who had freshly installed the Windows 10 faces the activation error.īut Relax. The users who directly upgrade to Windows 10, 7 or 8.1 may not face the same error. It is an activation error which states that the server determined the keys to be invalid or keys are blocked. Apart from several errors the most common error that the new Windows 10 users are receiving is the Error Code 0xC004C003. Microsoft is trying hard to fix those errors. Most of the users have taken the benefit of Free Upgrade to Windows 10, 8.1 and 7? Well, that’s great, but with the new Windows 10, users are facing various errors and bugs.
