Technical Tip: How to uninstall unlicensed FortiClient on Windows when the shutdown FortiClient button is greyed out

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Description	This article describes how to uninstall unlicensed FortiClient on Windows when the shutdown FortiClient button is greyed out.
Scope	FortiGate, FortiClient.
Solution	If an unlicensed FortiClient is not managed by the EMS and needs to be uninstalled from the Windows machine, it is possible to follow these steps. First method: Use the Windows Add/Remove Programs application or open the Run dialog by pressing Win + R on the keyboard. In the box that appears, type appwiz.cpl and press Enter. From the list of installed programs, locate FortiClient and uninstall it. After uninstalling, delete any remaining folders from the following locations: C:\Program Files\Fortinet C:\ProgramData\Fortinet C:\Users\<AccountName>\AppData\Local\Fortinet or %localappdata%\Fortinet C:\Users\<AccountName>\AppData\Roaming\Fortinet or %appdata%\Fortinet Next, open Registry Editor and remove any leftover registry keys: HKEY_LOCAL_MACHINE\SOFTWARE\Fortinet HKEY_CURRENT_USER\Software\Fortinet Second Method: In the support portal, go to Support -> Firmware Download -> FortiClient -> FortiClient version -> FortiClientTools_7.0.7.0345.zip. Unzip the file, run the FCRemove.exe tool, and then remove the FortiClient. Link to download: Technical Tip: How to download FortiClient and FCRemove.exe from support.fortinet.com Third Method: If the FortiClient appears in the system tray, shut it down completely prior to the uninstall. To do so, right-click on its icon and choose Shutdown FortiClient. To verify if a related process still runs in the background, do the following: 'Right-click' on the taskbar and then choose 'Task Manager' to launch its utility. Select the process that is used by the FortiClient and then select the 'End Task' button. Fourth method: If the shutdown button and the remove option are greyed out in the FCRemove.exe tool, the best way to uninstall the FortiClient is to boot the Windows machine in safe mode and then run the FCRemove.exe tool. After that, it will be possible to remove the FortiClient easily. Related article: Technical Tip: FortiClient has already been uninstalled, but the error 'A more recent version of For...