and found the standard "Add or Remove Programs" option greyed out or completely missing, you aren't alone. This often happens with "managed" versions of the software that are locked by an administrator or when the installation itself becomes corrupt. When standard methods fail, the FCRemove.exe utility is your best option for a clean removal. What is FCRemove.exe? FCRemove.exe
The utility is a specialized removal tool provided by Fortinet for unmanaged or "stuck" FortiClient installations on Windows. It is primarily intended for cases where the software is corrupt or standard uninstallation via the Control Panel is disabled or grayed out. 1. How to Obtain FCRemove.exe
fcremove.exe