Third party AV software and RTP
For FortiClient in standalone mode, it is recommended to remove third party AV products before installing FortiClient or enabling the AV RTP feature. Otherwise you may see the following conflicting AV warning when you enable RTP:
In managed mode, when FortiClient Telemetry is connected to FortiGate, the FortiGate compliance rules may allow third party AV software to be used as part of the compliance rules. In this case, you should disable RTP in FortiClient.