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How do I fix Bitdefender VPN error code 12?

Alton Alexander
By Alton AlexanderUpdated on June 4th, 2022

Bitdefender VPN Error Code 12 is caused by a conflict with another application on your computer. This can be caused by an antivirus or firewall program that is blocking the VPN from connecting, or by a program that is using the same port as the VPN.

1. Check your internet connection and make sure it is working properly

  1. Open your web browser and type “www.speedtest.net” in the address bar.
  2. Click on the “Start” button to begin the test.
  3. Enter your network information and click on the “Get Test Results” button.
  4. Review the information and make any necessary adjustments to your connection.
  5. Click on the “Start” button to continue the test.
  6. Wait a few minutes for the test to complete and review the results.
  7. If the test results indicate that your connection is not meeting your required speed, you will need to take steps to improve your connection.

2. Restart your computer and try again

  1. Restart your computer.
  2. In Windows 8 or 10, open the Start screen, type "cmd" and press Enter.
  3. At the command prompt, type "net stop bitdefender" and press Enter.
  4. At the command prompt, type "net start bitdefender" and press Enter.
  5. Wait for bitdefender to start up.
  6. Check your computer for any errors.
  7. If the error persists, restore your computer to its original factory settings.
  8. If the error still persists, contact your computer manufacturer for help.

3. Uninstall and reinstall Bitdefender VPN

  1. Launch Bitdefender VPN and sign in
  2. Click on the "Uninstall" link on the top left corner of the main screen
  3. Select the Bitdefender VPN you want to uninstall and click on the "Uninstall" button
  4. Click on the "Reinstall" button and follow the on-screen instructions
  5. Once the reinstall is complete, launch Bitdefender VPN and sign in again

Still not working? maybe try one of these options:

  1. Contact Bitdefender support for further assistance.