I was using an earlier version of Ubuntu on a Lenovo laptop and a Wi-Fi connection with the VIA VPN. After accepting an upgrade to 18.04 LTS, VIA VPN fails to run. Its icon shows up on desktop but its application will not start.
When this happened on my desktop, I uninstalled and reinstalled, using a script I have since lost, which solved the problem.
VIA VPN support suggested:
rm -rf ~/.pia_manager/
If the command is successful, there will be no confirmation, it will simply go to a new line in the Terminal window. Once you have done that, you can install the app from: privateinternetaccess.com/installer/download_installer_linux, Then, from the terminal in the directory you downloaded to:
tar -xzf pia-v79-installer-linux.tar.gz
Tell OS to proceed:
chmod +x pia-v79-installer-linux.sh
However on completion of the above steps I get the message:
Private Internet Access is already running. Please quit it and run the installer again.