How to Fix Windows 10 Activation Error 0xC004C003

While attempting to enact your Windows, you may see different kinds of Windows Activation Error Codes on your PC screen. Error 0xC004C003 is another activation error that has been accounted for by numerous users. This issue can generally happen if the item key you are using will be invalid. With this error code, you may see the accompanying message:

0xC004C003, The activation worker decided the specified item key is impeded.

Here and there a different error message can likewise appear:

“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”

The above activation error normally happens if you are using an invalid item key. You should purchase another item key. If you bought a PC with Windows pre-installed, you would need to contact the PC maker for the first key. If that doesn’t help, perused on.

Windows 10 Activation Error 0xC004C003

To fix Windows 10 Activation Error 0xC004C003, follow the beneath recommendations:

1] Run the Windows 10 Activation Troubleshooter

You may confront Windows 10 Activation Error 0xC004C003 if the item key you entered is invalid. However, if it isn’t the situation, you can understand this issue by running the Activation investigator.

To do this, follow the beneath steps:

  • Click on the Start button and select the stuff symbol (Settings) to dispatch the Settings app.
  • Select the Update and Security and afterward look to the Activation tab.
  • Go to one side and click on the Troubleshoot link.
  • To play out a maintenance technique, click on the Apply this fix button.

If this method doesn’t tackle the issue, go down to the following arrangement.

2] Make sure you have entered a valid Product key

If you’re attempting to enact your Windows and get an activation Error 0xC004C003 then it is conceivable that you have entered an invalid Product key. In such a case, use a different key and attempt to actuate your Windows once more.

3] Run Slmgr.vbs Command


The slmgr.vbs is an order line permitting tool that you can use to design authorizing in Windows devices. It additionally assists with seeing the current authorizing status of your Windows 10 installation.

To run the slmgr.vbs order, open the Command Prompt with the Admin right first.

When it opens, type in the beneath orders and press enter:

slmgr.vbs /dlv

If it says GVLK, then the item was enacted through Volume authorizing and you are a piece of it.

Next, run the beneath order to install the product key.


In the above order line, supplant the “X” letter with the Product key.

From that point forward, again execute the beneath order in a similar Command Prompt window to enact the copy of your Windows.

slmgr.vbs –ato

Whenever you are done, restart your device and check whether the Activation Error 0xC004C003 still exists.

4] Contact Microsoft Customer Support

However, if nothing unless there are other options referenced methods work and you are as yet experiencing the Windows Activation Error 0xC004C003, then contact Microsoft Customer Support and request that they enact your Windows. Microsoft uphold group will assist you with resetting the item key for you.

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