How do I uninstall the Cisco VPN Client for Mac OS X?
Internet and Web Browsers
VPNs
The Cisco VPN Client on Mac OS X systems must be uninstalled by running a script via a terminal window. This may be useful to you, particularly if you now wish to use the built-in VPN client for OSX ( http://www.bol.ucla.edu/services/vpn/pptp/docs/macosx.html ...
