Troubleshooting and general information


 

What is WireGuard?

WireGuard® is a new VPN protocol used to secure the connection between your device and a VPN server.  Learn more about how VPNs work WireGuard uses state-of-the-art cryptography to keep your connection secure and, at just a few thousand lines of code, it is extremely lightweight. This makes it faster […]

 

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 […]

 

For macOS users: What is neagent?

Neagent stands for the Network Extension Agent and it facilitates the connection from your Mac to our VPN servers. Since our VPN app for Mac uses the IKEv2/IPSec VPN protocol, allowing the neagent to access Keychain is a necessary step to create a secure VPN connection.  Before you can connect, […]

 

Who owns Proton VPN?

Proton VPN is a service provided by Proton AG, an employee-owned company based in Switzerland. Proton was founded in 2014 by a team of scientists who met at CERN (the European Center for Nuclear Research) and created Proton Mail, the world’s largest encrypted email service. Proton employees hold the vast […]

 

How to check the version of your Proton VPN app

With each new release of a Proton VPN app, there are improvements, bug fixes, and new features that improve the user experience. It is therefore essential to always update your Proton VPN apps to the latest version. Additionally, if you need assistance with any of our apps, it’s very important […]

 

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 […]

 

What is IKEv2/IPSec?

IKEv2 stands for Internet key exchange version two, and IPSec refers to the Internet protocol security suite. Together, they form a VPN protocol. A VPN protocol, or a “tunneling protocol,” is the set of instructions your device uses to negotiate the secure encrypted connection that forms the network between your […]

 

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 […]

 


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