Windows cannot be activated on this device. Activation error code 0xC004C003

When activating Windows , there can be a wide variety of error messages, as we have already reported about it several times. Today, again, it is about the Windows activation error code 0xC004C003 , which you can see in the original image below.

Windows cannot be activated on this device. Error code 0xC0004003

The exact error message is:

Windows cannot be activated on this device because you do not have a valid license or product key. If you think you have a valid license or key, select “Troubleshoot” below. Error code 0xC0004003

Why this Windows activation error occurs is completely invisible, because the error occurred on a brand new Dell OptiPlex 7060 PC. On the PC, the Windows 10 product key is stored in the BIOS and should therefore not cause any problems when activated.

Windows activation troubleshooting

To the error code 0xC0004003 fix, you should the ” Troubleshooting call” in the Windows activation. We have marked this for you accordingly in the picture above. A few seconds after the troubleshooter is called directly, a message will appear that Windows has been successfully activated, as you can see here.

This copy of Windows has been activated.

The exact message is then:

Activation of Windows
This copy of Windows has been activated. 

The activation can now also be seen in the activation window in the Windows settings.

Windows was activated with a digital license.

Here is the exact message:

Edition: Windows 10 Pro
Activation: Windows was activated with a digital license.

This makes it relatively easy to remove activation error code 0xC0004003 . However, it is incomprehensible why Windows does not immediately carry out the activation correctly and the user first has to start troubleshooting . However, if the troubleshooting fails, you should take a closer look at the following entry ” 0xc004c003 error code when activating Windows 10 ” and try the solution.

We have reported many other activation problems and error codes in the past . Here is a selection from the most popular articles.

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