In this article, we will discuss the error code 0xC004C004 that can occur in Windows 10 and 11, and provide instructions on how to resolve it. This error usually indicates an issue with the activation of the operating system, which can prevent users from accessing certain features or using their licensed software. Resolving this error is important to ensure a smooth and fully functional Windows experience.

Examples:

Example 1: Using the Activation Troubleshooter

1. Press the Windows key + I to open the Settings app.
2. Click on "Update & Security" and then select "Activation" from the left-hand menu.
3. Under the "Troubleshoot" section, click on "Troubleshoot" next to "Activation".
4. Follow the on-screen instructions to troubleshoot and resolve any activation issues.

Example 2: Using the Command Prompt

1. Press the Windows key + X and select "Command Prompt (Admin)" or "Windows PowerShell (Admin)".
2. Type the following command and press Enter: slmgr.vbs /ato
3. Wait for the command to execute and check if the error is resolved.

Example 3: Checking the Product Key

1. Press the Windows key + X and select "Command Prompt (Admin)" or "Windows PowerShell (Admin)".
2. Type the following command and press Enter: slmgr.vbs /dlv
3. Look for the "Partial Product Key" field and verify if it matches the product key you have.
4. If the keys don't match, you may need to update your product key.