Troubleshooting and general information

Proton VPN supports most popular Internet browsers. However, Proton VPN uses cutting-edge technology that is only supported in the latest versions of these browsers. To maintain the level of security expected by our users, we occasionally need to drop support for outdated browser versions that do not have the security […]

RivaTuner is an overclocking and hardware monitoring system for Windows devices that is used to enhance GPU performance. At this point, it is outdated, with the last stable version being released in 2009. We have found that if you have RivaTuner installed on your device, Proton VPN will not open. […]

With the massively increasing amount of IP addresses required by the global network each year, IPv4 can no longer meet the demand. That’s why IPv6 was introduced — to allow more unique TCP/IP identifiers to be created for each user. While most of the internet uses the IPv4 protocol, there […]

Is the Proton VPN Android app not automatically reestablishing a VPN connection when Always-On VPN is enabled? Here are the steps you can take to resolve this issue. This problem can occur on some devices because certain phones don’t allow Proton VPN to continue running in the background or use […]

Why do you need Cookies? Chrome If you’re using Chrome, go to Chrome > Preferences and you’ll see a settings menu appear within the browser window. Scroll down and click Show advanced settings… to bring up the privacy options.   Now, click the Content settings button, and then, to enable cookies, click Allow local data to be set (recommended). […]

ProtonVPN uses the latest in web technologies to secure your data, and requires sessionStorage. This article will explain what sessionStorage is and address common issues. What is sessionStorage? sessionStorage is a new web technology that lets you store website information securely on your device. We use sessionStorage to store your authentication token which is […]

If you are using an Android device and would like to test new builds of Proton VPN app before they’re released publicly, you can join the Proton VPN Android app beta program. Like our non-beta Android VPN application, the beta is completely free to join and use. You can get […]

In cases Proton VPN can’t connect, please refer to the following list of solutions. Most of the steps described here can be done without direct support from our support team, but in case you get stuck or don’t know how to handle certain things, we will be there for you. […]

Why do you need JavaScript Chrome PC To the right of the address bar, click the icon with 3 stacked horizontal lines. From the drop-down menu, select Settings. At the bottom of the page, click the Show advanced settings… link. Under the Privacy section, click the Content settings… button. Under the JavaScript heading, select the Allow all sites to run JavaScript radio […]

When you open the Proton VPN app, you will sometimes see the warning “You are unprotected!” or “Not connected.” Screenshot of Android app Screenshot of iOS app Screenshot of macOS app Screenshot of Windows app This means that you are not currently connected to one of our VPN servers and […]