Re-installing Cisco Anyconnect error - Apple OS

Had a patron who accidently manually removed Cisco VPN from Apple computer, but when they tried doing re-install, said program was installed.  

Need to remove the package manually using Terminal:

pkgutil --pkgs

You'll locate the package in the list of all packages installed....

com.cisco.pkg.anyconnect.vpn

Then it's just a simple matter to tell the package DB to forget it with....

sudo pkgutil --forget com.cisco.pkg.anyconnect.vpn

From Cisco help