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Windows: Temporary directory (--tmp-dir) fails with '_file path_': No such file or directory

This error occurs when the username of your Windows account username contains special or unusual characters, such as Russian characters. Solutions Uninstall your current OpenVPN version. Download the...

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Mac: IPv6 doesn’t work

You can check if your IPv6 address works by going to this website. If the page loads and you see something like 2a02:1610:1002:1000::1005, IPv6 is working properly for you and you don’t need to do a...

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I am experiencing low Internet speeds when connected to OVPN

Before troubleshooting, try connecting through TCP 443, as this can solve issues with low Internet speed in some situations. This article is dedicated to explaining what you can do if you are experien...

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Mac: Can't assign requested address (code=49)

Can't assign requested address (code=49) is a bug in macOS and not an issue with OVPN itself. There are two ways of fixing this issue. The first one is easier as you simply have to restart your compu...

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Windows: Error: When using --tun-ipv6, if you have more than one TAP Windows adapter...

This error occurs when the TAP Windows adapter is malfunctioning, or when you have multiple adapters installed on your system. Solution Uninstall TAP Windows on your computer. Download TAP Windows fr...

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Skype is lagging when I use it when connected to OVPN

If Skype is lagging during voice or video calls when you are connected to OVPN, there is a way to fix it. You can choose the port that Skype should use for incoming connections. Mac OS X Open a p...

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How do I fix a DNS leak?

When visiting the dashboard on OVPN, you will see if you have a DNS leak or not. You can also use our DNS leak test to check if you have any leaks. You can also manually enter one the following DNS a...

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Ifconfig inet6 failed: external program exited with error status: 1

This error usually only occurs on routers. The code lines over and under the error message should look something like: unknown daemon.notice openvpn[1666]: /sbin/ifconfig tun11 add 2a03:8600:1003:301:...

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Initialization Sequence Completed With Errors (see

This error usually occurs if you have a modem instead of a router, or if you're using a bridged connection. This error mainly occurs on Windows systems. The lines before and after the error message ...

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Mac: Warning — After connecting to OVPN, it seems as if Internet is no longer accessible

This error occurs because of a bug in Tunnelblick. The connection to OVPN in reality works fine. Your external IP address has been changed, and all your traffic is encrypted. The error instead l...

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Windows: issue: netsh command failed: returned error code 1

This error can occur for a number of reasons. The first thing you should do is to make sure that you are running OVPN as administrator. You can do this by right-clicking on the OpenVPN icon and choosi...

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Unable to reach specific website

The most common reason for this issue is that the website you are trying to reach has blocked some of our IP-addresses. You can usually circumvent this problem by connecting through a different server...

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Windows: Bad throughput

If you have problems with extremely low throughput in Windows, it may be due to problems with newer versions of the TAP adapter. If that is the case, you can try the following:1. Open the Device manag...

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Reset DNS settings

If you have internet connectivity but find yourself unable to browse any websites, it is likely due to an incorrect DNS configuration. This can happen for several reasons, but one of the most common r...

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Wi-Fi drops when connecting to the VPN

If you have an HP computer and encounter a strange issue where your WiFi drops when you connect to a VPN server, it is very possible your computer uses a service called HP LAN/WLAN/WWAN Switching UWP...

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DNS leak while using Firefox

Firefox has a feature which forces all DNS lookups to take place over predefined DNS servers over HTTPS (called DNS over HTTPS). With this feature enabled, Firefox uses the Cloudflare DNS servers by d...

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DNS leak while using the OVPN client for Windows

There's a few reasons you may be getting a DNS leak while using the OVPN client. One of the more common reasons is that you may be using an application like Avast or AVG; both of these have a feature ...

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DNS leak with Avast Antivirus

If you're experiencing DNS leaks with Avast Antivirus installed, it's possible Avast is forcing you to use their DNS servers as part of their malicious website protection. If you want to use our DNS...

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Error: Cannot start installer binary as updater

The problem is due to the file installer.dat missing from the installation folder. The easiest way to solve the problem is to delete the installation folder and then install the client again. Before y...

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Explanation: Max keys reached

To connect with WireGuard, you need a keypair. The amount of keypairs you can have is equal to the number of devices you can connect with. Our various OVPN apps and clients automatically generates key...

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