Solution to Win10 activation error 0xC004C003

After the system is installed, it must be activated before it can be used normally. However, recently some users have installed the Win10 system and when activating it, they are prompted with error code 0xC004C003, causing the activation to fail. Many functions cannot be used without activation. , so how should you solve this situation? Below, the editor has prepared pictures and texts for you to solve the Win10 activation failure error code 0xC004C003.

After installing the Win10 system, users need to activate it to use more functions. But it is not all smooth sailing. However, some users reported that they encountered problems during the activation of win10, and the error code 0xC004C003 was displayed. What is going on? Next, the editor will introduce to you how to deal with the Win10 activation failure error code 0xC004C003.

What to do if Win10 activation fails with error code 0xC004C003

Cause analysis:

1. You performed a clean installation of Win10 instead of starting from before version of Windows to upgrade. When this happens, we are unable to register the activation server license because you have not upgraded to Win10. To fix this issue, you will need to go back to a previous version of Windows, make sure the previous version is activated, and then upgrade to Win10.

2. I have upgraded to Win10, but the activation server is busy. If you upgraded from an activated copy of Windows 7 or Win 8.1, your copy of Windows 10 will automatically activate, or you can wait a moment and then select "Activate now."

3. If you are using an invalid product key, you may also see this error. For example, you cannot activate Windows 10 using a Win7 or Win8.1 product key.

Solution:

Press the key combination "WIN R" to open the run window.

Error code picture-1

Enter "CMD" in the run window and press Enter to call out or OK Command prompt window.

Win10 Figure-2

Enter "slmgr.vbs /upk" in the command prompt window and press Enter key.

Error code picture-3

Then enter "slmgr /ipk W269N-WFGWX-YVC9B-4J6C9-T83GX ” and press Enter.

Win10 Figure-4

Enter "slmgr /skms zh.us.to" again and press Enter key.

Win10 Figure-5

Enter "slmgr /ato" again and press Enter.

Win10 Figure-6

Finally check the system information of the official version of win10. Do you find that the system has been successfully activated? state.

Error code picture-7

The above is the solution to the Win10 activation failure error code 0xC004C003.

Activation failure problem is still unavoidable. If you encounter the same problem when activating Win10, you might as well follow the editor's method.

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