0xC004d302: How to fix this activation error

Some of our readers have recently reported that they received one of the Windows activation errors, such as the 0xC004D302 error code on Windows PC, due to which certain features stopped working.

This error occurs on computers running non-core versions of Microsoft Windows. It can be triggered when the trusted data store is reactivated. You can solve this problem by following this article.

In this article

What causes the 0xc004d302 error?

Here are some potential reasons behind the 0xC004d302 Windows Activation Error Code:

• Fake or Incorrect Product Key – You One of the most common reasons for receiving the 0xC004d302 error code is that you entered an invalid or incorrect product key. Some users have fallen victim to websites claiming to offer genuine product keys for free or at a discounted price.
• RSA Machine Key Issue – This error may be triggered during activation if the default permissions for C:ProgramDataMicrosoftCryptoRSAMachineKeys are changed. Because this folder holds the IIS certificate keys, thousands of files can be populated immediately after an activation error occurs.
• License file (token.dat) Corrupted – Windows activation files are stored in the operating system’s token dat file. Because of the digital signatures assigned in these Toke.dat files, they cannot be changed on another system or used to activate Windows elsewhere. However, if these files are corrupted, this error may occur after activation.
• Use a different command for activation – If you have executed the Slmgr. vbs/rearm command and try to run another activation command before restarting the PC, such as /dlv or /dli; An error will occur. The PC must be restarted before trying to execute another command. Doing so will prevent your Microsoft applications from starting, thereby improving your system's performance.

Now that you know some of the potential causes of the 0xC004d302 activation error code, you can explore the solutions provided in the next section to help you resolve the issue.

How to fix 0xC004d302 error code?

Before proceeding with the advanced troubleshooting fixes provided in this article, you should consider performing the following preliminary checks, which will help prevent the error from occurring next time:

• Purchase a valid activation code.
• If you are sure you entered a valid activation code, please wait a few hours and try again.
• Please check your internet connection and try again.
• Run the Windows Activation Troubleshooter.

After confirming the above checks, you still need further assistance, you can explore dedicated fixes on how to fix 0xC004d302 error.

1. Run the SFC scan command

1. key, type cmd in the "Search" box, and then select "Run as administrator". Windows
2. In the CMD window, type the following command in the text field and press: Enter<strong>Sfc /scannow</strong>
3. The scanning process may take some time, so please wait until verification reaches 100%.

Running a System File Checker scan can help fix the error, as one of the root causes is the presence of a corrupt license file (Token.dat).

2. Edit window registry

1. Press the "Start" button and type "registry" in the "Search" box, then open "Registry Editor" application .
2. Navigate to the following location: <strong>Computer\HKEY_LOCAL_MACHINESYSTEM\CurrentControlSet\Services\sppsvc</strong>
3. Go to the right panel and right-click SkipRearm. Select the "Modify" option and a dialog box containing "Edit DWORD 32-bit Folder" should appear.
4. Set the value data to 1 and click the OK button.
5. Restart the computer.
6. Now, go to the Start menu, search for "Command Prompt" and select the "Run as administrator" option.
7. Type the following command and press : Enter<strong>slmgr –rearm</strong>
##Now check if the issue is resolved.

Expert Tips:

Some PC problems are difficult to solve, especially when they involve corrupted repositories or missing Windows files. If you are having trouble fixing errors, your system may be partially corrupted.
We recommend installing Restoro, a tool that will scan your machine and determine what the fault is.
Click here to download and start repairing.

If Registry Editor is not functioning properly, check out this guide specifically for troubleshooting errors when accessing the registry to get it working properly.

3. Manually perform system restore

1. Press the key to open the "Run" box, type rstrui in the text box, and then press . WindowsREnter
2. Click to select a different restore point and press the "Next" button.
3. Now, select the option "Restore my computer to an earlier time" and click "Next". When the error does not occur.
4. Click the "Next" button and then click "Finish".
5. Check if the problem has been resolved.

System restore tools can be used to restore your system to a previous point. This way you should be able to solve the problem.

4. Use specialized tools

Not scanning your PC for corrupted, faulty or missing files may lead to multiple system errors that are difficult to resolve.

Therefore, using dedicated third-party software may be a good solution, as it is a program designed to automatically scan and repair system components.

Restoro performs a comprehensive scan of your PC problems and provides comprehensive system diagnostics in minutes. The tool repairs grouped and/or individual registry file failures that affect device performance and restores damaged registry values ​​to their default settings.

Here's how to do it:

1. Download and install Restoro.
2. Start Restoro.
3. Wait for it to detect any system stability issues and possible malware infections.
4. Press to start repairing .
5. Restart your computer for all changes to take effect.

If registry keys are severely corrupted, you can allow Restoro to replace them with new healthy registry keys from its online repository.
This software puts your Windows registry into an optimized state, helping your device run properly without any errors.

⇒ GET FIXED

Disclaimer: This program requires an upgrade from the free version to perform certain actions.

This is how to fix 0xC004d302 activation error code. You can work through any of the solutions provided above.

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