After installing Endpoint Security VPN R75 users can't ping or access the pc

Endpoint VPN R75 comes with a built-in firewall that uses a default filter.
An easy solution will be ; uninstalling and re-installing the new client without the firewall.

Start the installer from the command line with "FW_INSTALL=NO" added to it.

Run through the wizard as normal, endpoint vpn will be installed without the firewall option.