OpenVPN : Always disconnected in OSX

Issue:

• OpenVPN always disconnected in Tunnelblick

Solutions:

• To fix this, open the Tunnelblick connection settings, click “Advanced settings” 
• Uncheck “Flush DNS cache after connecting or disconnecting”.

Source:

• http://wisercoder.com/fixing-tunnelblick-disconnecting-os-x-10-10-yosemite/