Troubleshooting


 

Streaming troubleshooting guide

We would like  to remind you that you should check the VPN Streaming Guide to get step-by-step instructions on setting up your VPN connection and securely watching your favorite content on various streaming platforms. We also want to remind you that our streaming feature is only available on VPN Plus, […]

 

How to enable the base filtering engine

If the base filtering engine (BFE) is not running on your Windows device, the Proton VPN 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 Proton VPN to work […]

 

Why did a Proton VPN server get removed?

Occasionally, you may find that the Proton VPN server you always connect to has been removed.  At Proton VPN, we continuously upgrade our servers to ensure the best performance and stability. These investments are what make Proton VPN consistently the fastest VPN service. This means that we will periodically retire […]

 

Solutions to OpenVPN Authentication Failure

Encountering Authentication Failure errors when connecting to Proton VPN while using 3rd party VPN clients? Read on to find a list of solutions to this problem. There are a number of ways to connect to Proton VPN other than using our native apps . It is also possible to connect using third […]

 

Troubleshooting VPN connection issues on Windows

If you cannot connect to our VPN servers using our Windows app, you will see this troubleshooting message.  As this message suggests, there are a number of possible reasons for the problem. Your connection is blocked by your ISP or government If you live in a restrictive country then your […]

 

Proton VPN temporarily locked my account for security reasons

Proton VPN implements a security system to protect our users’ accounts. If we detect potentially suspicious behavior that may indicate someone is trying to gain unauthorized access to your account then we may temporarily lock your account in order to protect it. While your account is locked you will not […]

 

How to prevent Android from killing Proton VPN

Many Android device manufacturers extend the perceived battery life of their devices by aggressively closing apps that run in the background. This can happen with the Proton VPN app, causing your VPN to disconnect from our servers.  To prevent this: 1. Open the Settings app and go to Apps → […]

 

Understanding and increasing VPN connection speeds

In this article, we discuss the factors that impact the speed of VPN connections and how you can increase the speed of your connection when using one of our VPN servers. We also cover the differences in speed between the Proton VPN plans. Update July 2021: Our unique VPN Accelerator […]

 

How do I check for updates?

We will notify you when new updates become available for our apps, but you can manually check for updates by following these simple steps: Windows 1. Open the Proton VPN app2. Go to top left of the application and click on 3 horizontal lines → About.3. If a new version […]

 

How to change VPN protocols or select Smart Protocol

All our VPN apps use secure VPN protocols: Learn more about VPN protocols You can use OpenVPN and WireGuard in UDP or TCP modes. UDP is faster, but TCP is more reliable and can be effective at defeating certain kinds of censorship (but not as effective as Stealth). WireGuard TCP […]

 


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