Troubleshooting

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 Proton VPN. We have found that the cause of this unexpected data use is an accounting issue with iOS […]

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 […]

If you are experiencing issues with Adobe Cloud or Microsoft services such as OneDrive or Office 365 while connected to a Proton VPN server on your Windows device, please follow the steps below to resolve your issue: 1. Open the Network and Internet Settings by right-clicking on the network settings […]

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 At this point, it is outdated, with the last stable version being released in 2009.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 […]

VPN Connection fails due to an authentication failure Symptom: Opening and logging in to the Proton VPN Android app is successful. However, when you try to connect to a server, the connection fails and returns the error message “User authentication failed”. The Android application logs indicate “AUTH_FAILED”. (You can access […]

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 […]

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. […]

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 […]

The Proton VPN symbol in the Windows systems tray serves as a shortcut to the application. To quickly establish a VPN connection, right click on the icon and press Connect.   Tip: When Proton VPN is minimized, you can also connect by using the Quick Connect button.     Related […]