Troubleshooting and general information

You can protect your online privacy on a Chromebook using our Android app, which has been optimized for use on Chrome OS. Most of the features available to Android users of this app will also work flawlessly on your Chromebook. However, although Chrome OS allows you to run Android apps, […]

It is important that your Windows system clock is correct. If it isn’t, an error can occur that will prevent you from connecting to our servers. How to set the correct system time on Windows 10 1. Go to Start → Settings → Time & Language → Date & time. […]

All Proton VPN apps include DNS leak protection designed to prevent websites and the like that you visit on the internet from identifying your real DNS address. There are some limited circumstances, however, that allow your computer to bypass these protections that can result in third parties being able to […]

NetShield is a DNS filtering feature that blocks ads, malware, and website trackers. Some antivirus programs for Windows offer features that are incompatible with NetShield, which can result in conflicts that prevent NetShield from working properly. This article aims to document any such issues as they come to our attention […]

Internet speed or how fast data transfers in a network is calculated using different metrics: latency, bandwidth, and throughput.  This article aims to explain these metrics and how the TCP protocol — the way most data is transmitted over the Internet nowadays — impacts them.  Sending off your data packets […]

In December 2019 we made a minor update to Proton VPN’s Terms and Conditions and Privacy Policy reflecting that the legal party you are contracting with was changed from Proton VPN AG (Switzerland) to Proton AG (Switzerland). As Proton AG was the parent company of Proton VPN (and the 100% […]

On some devices, when your iPhone or iPad goes to sleep, it causes Proton VPN to stop working. This will typically cause the device to disconnect from your WiFi network. We have identified that the problem lies with iOS and is outside of our control. Thus, unfortunately, we cannot fix […]

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 […]