PuTTY freezes on OpenVPN on Windows

Issue: Opening PuTTY no login information are returned and then the connection is closed.

Solution (Windows 7):

  1. On the taskbar Right click and then Disconnect the VPN
  2. Look for the VPN icon and then Right click on VPN shortcut icon > Properties
  3. Select Compatibility tab and then check Run as administrator
  4. Launch OpenVPN: a message will be prompted to allow the app to run as administrator