The solution mentioned here worked for
me:https://community.fortinet.com/t5/Support-Forum/Problems-with-FortiClientVPN-7-installation/m-p/206301"remove
the following directories on your Mac: sudo rm -rf /Library/Application
Support/Fortinetrm -rf /Us...
@inca wrote:OK, so if you remove the following directories on your Mac:
sudo rm -rf /Library/Application Support/Fortinetrm -rf
/Users//Application Support/Fortinetrm -rf
/Users//Application Support/FortiClient Change for
your username. Now run the ...