If you see the following error message in your connection log:
Cannot allocate TUN/TAP dev dynamically
or one of the below screens:
You may be running an old version of ExpressVPN.
To resolve this issue, you will need to update your app. The process is quick and simple. To update:
Open the Welcome Email you received when you signed up for ExpressVPN. Click the link in the email.
If you can’t find the link, sign in to your account here.
Once you’ve clicked the link in the welcome email or logged in to the website, click on Download for Mac. This will start the download for your app.
After you have downloaded the latest version of the app, install ExpressVPN on your machine. Now you can continue to enjoy the Internet with safety and privacy!