Why can't I establish a VPN connection?

There may be the following reasons for this:

• You don't have a VPN key yet.
  • Solution: find out here how to get a VPN key.
• OpenVPN was not installed during the aLobby installation.
  • Solution: here
• The message No valid OpenVPN configuration file (*.ovpn) found in the folder is displayed.
  • Solution: find out here how to get a VPN key.
• You did not install the tap interface during the aLobby installation.
  • Solution: see TAP-Adapter not installed
• You deactivated the tap network adapter after the aLobby installation.
  • Solution: see TAP-Adapter not installed