Troubleshooting and general information

In cases ProtonVPN 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. Server […]

The ProtonVPN iOS app offers its users the choice of the OpenVPN and IKEv2 VPN protocols. Learn more about the advantages and disadvantages of different VPN protocols. Some users have noticed when they select OpenVPN in our iOS app, the amount of battery power our app uses dramatically increases. The […]

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 the base filtering engine (BFE) is not running on your Windows device, the ProtonVPN app will show the following error messages: The most likely reason the BFE is not running is that a virus disabled it to perform malicious actions on your device. For ProtonVPN to work properly, you […]

We have been contacted by users reporting that their iPhone is telling them that they are using unexpectedly large amounts of data when using their mobile data plan while connected to ProtonVPN. We have found that the cause of this unexpected data use is an accounting issue with iOS 14. […]

ProtonVPN supports most popular Internet browsers. However, ProtonVPN 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 features we […]

The Quick Connect function connects you to your default profile with one click. If you have not changed it, your default profile will be the “Fastest” profile. The “Fastest” profile will establish the fastest and most stable connection depending on your location, distance to nearest server and server load.   […]

Some users have reported having Google identify their internet connection as originating in a different country than where our server is located. For example, if you are connected to one of our VPN servers in Malaysia, Google might identify your connection as originating in the United Arab Emirates. This is […]

  Peer-to-Peer is a network protocol for computer users that allows to search and download content. Because of the unique structure of the network, it is very efficient for downloading large files. On a Peer-to-Peer network, when a user is searching for a specific file, the installed software is locating […]