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How do I fix 0xc004c008?

Alton Alexander
By Alton AlexanderUpdated on June 4th, 2022

The 0xc004c008 error code is a Windows error code that indicates a problem with a product key. This error code can occur for a number of reasons, including a corrupted or invalid product key, a product key that has been used too many times, or a product key that has been entered incorrectly. This error code can also occur if the product key has expired or if the product key is for a different version of Windows.

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1. Restart your computer

  1. Click Start, type msconfig in the search box, and press Enter.
  2. On the System Configuration window, click the Services tab.
  3. In the Services list, locate and click the service you want to restart.
  4. In the Properties dialog box for the service, click the Restart button.
  5. If the service is not running, click the Start button, and then click the service.
  6. If the service is running, click the Stop button, and then click the Restart button.
  7. If the service is not running, click the Start button, and then click theservice.
  8. If the service is running, the computer will restart.

2. Update your computer

  1. Open the Control Panel and click on the System and Security icon.
  2. Click on the Update Programs icon.
  3. In the list of available updates, click on the Update Windows button.
  4. Click on the Search for updates button.
  5. In the list of available updates, click on the Install updates button.
  6. When the list of updates is displayed, click on the Update button.
  7. Click on the Restart now button.
  8. After the computer has restarted, check for updates again.

3. Reinstall your computer

  1. Restart your computer.
  2. If you are using Windows, open the "Start" menu and select "Control Panel."
  3. On the "Control Panel" window, double-click "System and Security."
  4. On the "System and Security" window, click "Restore or Change Settings."
  5. On the "Restore or Change Settings" window, click "Restore your computer."
  6. On the "Restore your computer" window, click "Next."
  7. On the "Restore your computer" window, select the operating system you want to restore your computer to and click "Next."
  8. On the "Restore your computer" window, select the drive you want to restore your computer to and click "Next."
  9. On the "Restore your computer" window, select the files and folders you want to restore and click "Next."
  10. On the "Restore your computer" window, click "Finish."

Some users might also have success with the following opitons:

  1. Run a virus scan
  2. Check for updates for your software
  3. Run a registry cleaner
  4. Clean your temporary files
  5. Disable your firewall
  6. Uninstall your antivirus software
  7. Contact Microsoft support