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What is the error 0xc004f211 and how can it be fixed?

Alton Alexander
By Alton AlexanderUpdated on June 3rd, 2022

0xc004f211 is an error code that typically indicates that a Windows product key is invalid. This can happen for a number of reasons, such as if the product key was entered incorrectly, or if the product key has been used too many times. If you encounter this error code, you will need to obtain a new product key from Microsoft in order to activate Windows.

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1. Restart the computer

  1. First, press the "F8" key on the keyboard to open the boot menu.
  2. Select the "Restart" option and hit the "Enter" key.
  3. The computer will restart and you will be prompted to choose an operating system to start.
  4. Select the "Windows 10" option and hit the "Enter" key.
  5. The boot menu will reappear and you can now choose to start the computer in Safe Mode or Normal Mode.
  6. If you wish to start the computer in Safe Mode, select the "Safe Mode with Networking" option and hit the "Enter" key.
  7. If you wish to start the computer in Normal Mode, select the "Normal Mode" option and hit the "Enter" key.

2. Reinstall the operating system

  1. Boot from your installation media and press any key to start the installation.
  2. At the "Select your language" screen, choose your language and click next.
  3. Enter your product key and click next.
  4. Choose your installation type and click next.
  5. Choose your destination disk and click next.
  6. Review the information on the next screen and make your selections, then click next.
  7. Select your keyboard type and click next.
  8. Click finish to start the installation.
  9. When the installation finishes, click on the desktop icon to start the computer.
  10. When the desktop appears, click on the Windows icon to start the operating system.
  11. After the operating system starts, click on the Start button and then click on the Control Panel icon.
  12. Double-click on the System and Security icon.
  13. Click on the Update & Security icon.
  14. Click on the Recovery tab.
  15. Click on the Advanced Options icon.
  16. Click on the Reinstall operating system button.
  17. Click on the Choose files button.
  18. Browse to the location where you saved the installation media and click on the OK button.
  19. Select the installation media and click on the OK button.
  20. Click on the start button and then click on the install operating system button.
  21. Click on the arrow next to the install operating system button and select the addition operating system.
  22. Click on the OK button.
  23. Click on the start button and then click on the finish button.
  24. After the installation finishes, click on the restart button and then click on the ok button.
  25. After the computer restarts, log in using your user name and password.

3. Try a different computer

  1. If you are using a Windows PC, first try restarting your computer.
  2. If that does not work, try pressing the F8 key as soon as you start up your computer. This should bring up the boot menu.
  3. Choose the "Repair or Restore Windows" option.
  4. Click on the "Advanced Options" button.
  5. Choose the "Command Prompt" option.
  6. Type "regedit" and press Enter.
  7. Navigate to the following key: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters
  8. Double-click on the "Name" value and change it to "Enabled"
  9. Double-click on the "Value" value and change it to "1"

If you didn't find success with an option above, then try:

  1. Check for updates.
  2. Try a different copy of the software.
  3. Check for viruses.
  4. Reformat the hard drive.
  5. Reinstall the software.