does anyone knew how I can disable the Schedule Update at all?
I have also disabled the AV Realtime Protection. The Fortclients does his scheduled scan regardless. Is there a way to disable this also.
Try the following XML configuration fragment (on a test machine):
<!--zero, one or more of the following child nodes-->
Each of the XML elements is described in the document:
FortiClient XML Reference Guide
The Fortinet Security Fabric brings together the concepts of convergence and consolidation to provide comprehensive cybersecurity protection for all users, devices, and applications and across all network edges.