If you find that Mozilla VPN is disconnecting or turning off after being activated, you can try the below steps to resolve this issue. These steps are also helpful if Mozilla VPN is connected, but websites fail to load. __TOC__ =All platforms= ==Enable port 53 forwarding== #Open Mozilla VPN #Go to {menu Setting} #Click (or tap) {menu Network settings} #Check the {menu Tunnel VPN through port 53/DNS} option #Turn the VPN ON. =Desktop= ==Disable Firewalls== If you have a Firewall or Antivirus that also monitors your internet connection, it’s a good idea to disable them or allow an exception for Mozilla VPN. In order to do this, you will need to refer to your specific application's support documentation. ===For Windows Defender Firewall=== #In the ''Windows Start Menu'' search bar, type ''Allow an app through Windows Firewall'' and click on the first result. #Click the ''Change Settings'' button at the top right of the window to make changes #The ''Allow another app'' button should highlight. Click the ''Allow another app'' button close to the bottom of the window. #Click ''Browse''. #Navigate to the VPN by going through the following path: ''This PC > Windows (C:) > Program Files > Mozilla > Mozilla VPN > MozillaVPN.exe'' #Click ''Add'' #Back on the Allowed apps window, make sure MozillaVPN has both the ''Private'' and ''Public'' boxes next to it checked. #Click ''OK'' at the bottom. #Restart the system. ===For MacOS Application Firewall=== #Open ''System Preference''. #Click the ''Security'' or ''Security & Privacy'' icon. #Select the ''Firewall'' tab. #Click the lock icon in the preference pane, then enter an administrator name and password. #Click the ''Firewall Options'' button. #Click the ''Add Application (+)'' button. #Select ''Mozilla VPN''. #Click ''Add''. #Click ''OK''. ==Reset Mozilla VPN (All platforms)== #Click (or tap) the gear icon in the top right corner. #Click (or tap) the red Sign out button at the bottom of the app. #[https://support.mozilla.org/en-US/kb/how-do-i-uninstall-mozilla-vpn Uninstall Mozilla VPN]. #[https://support.mozilla.org/en-US/kb/how-download-mozilla-vpn-your-desktop-or-mobile#w_windows Reinstall the application]. ==Full reset of Mozilla VPN (Windows-only)== Sign out of Mozilla VPN. #[https://support.mozilla.org/en-US/kb/how-do-i-uninstall-mozilla-vpn Uninstall the application]. #[https://support.mozilla.org/en-US/kb/how-remove-mozilla-vpn-app-data-windows Clear App data]. #[https://support.mozilla.org/en-US/kb/how-download-mozilla-vpn-your-desktop-or-mobile#w_windows Reinstall Mozilla VPN.] '''Related articles:''' *[https://support.mozilla.org/en-US/kb/troubleshooting-speed-issues-mozilla-vpn?utm_source=-vpn-related Troubleshooting speed issues on Mozilla VPN] *[https://support.mozilla.org/en-US/kb/language-websites-i-visit-changes-when-i-turn-mozi?utm_source=-vpn-related The language of the websites I visit changes when I turn Mozilla VPN on - What to do] '''Learn more:''' *[https://support.mozilla.org/en-US/kb/i-cant-print-wirelessly-when-mozillla-vpn?utm_source=-vpn-related I can't print wirelessly when Mozillla VPN is on]

If you find that Mozilla VPN is disconnecting or turning off after being activated, you can try the below steps to resolve this issue. These steps are also helpful if Mozilla VPN is connected, but websites fail to load.

All platforms

Enable port 53 forwarding

1. Open Mozilla VPN
2. Go to Setting
3. Click (or tap) Network settings
4. Check the Tunnel VPN through port 53/DNS option
5. Turn the VPN ON.

Desktop

Disable Firewalls

If you have a Firewall or Antivirus that also monitors your internet connection, it’s a good idea to disable them or allow an exception for Mozilla VPN. In order to do this, you will need to refer to your specific application's support documentation.

For Windows Defender Firewall

1. In the Windows Start Menu search bar, type Allow an app through Windows Firewall and click on the first result.
2. Click the Change Settings button at the top right of the window to make changes
3. The Allow another app button should highlight. Click the Allow another app button close to the bottom of the window.
4. Click Browse.
5. Navigate to the VPN by going through the following path: This PC > Windows (C:) > Program Files > Mozilla > Mozilla VPN > MozillaVPN.exe
6. Click Add
7. Back on the Allowed apps window, make sure MozillaVPN has both the Private and Public boxes next to it checked.
8. Click OK at the bottom.
9. Restart the system.

For MacOS Application Firewall

1. Open System Preference.
2. Click the Security or Security & Privacy icon.
3. Select the Firewall tab.
4. Click the lock icon in the preference pane, then enter an administrator name and password.
5. Click the Firewall Options button.
6. Click the Add Application (+) button.
7. Select Mozilla VPN.
8. Click Add.
9. Click OK.

Reset Mozilla VPN (All platforms)

1. Click (or tap) the gear icon in the top right corner.
2. Click (or tap) the red Sign out button at the bottom of the app.
3. Uninstall Mozilla VPN.
4. Reinstall the application.

Full reset of Mozilla VPN (Windows-only)

Sign out of Mozilla VPN.

1. Uninstall the application.
2. Clear App data.
3. Reinstall Mozilla VPN.

Related articles:

• Troubleshooting speed issues on Mozilla VPN
• The language of the websites I visit changes when I turn Mozilla VPN on - What to do

Learn more:

• I can't print wirelessly when Mozillla VPN is on