Sometimes, even after running FCRemove.exe , you might encounter the error: . This is almost always caused by a leftover Windows Installer registry key.
The tool successfully removed the Fortinet virtual miniport drivers but failed to restore the default Windows network stack bindings. Solution: Open Command Prompt as an administrator. Type netsh int ip reset and press Enter. Type netsh winsock reset and press Enter. Reboot the PC. 3. FortiClient Files Still Exist After Execution
Ensure you are running the tool with local administrator rights.
You can try using the (the Microsoft Fix Tool) to remove blocked programs. A third-party uninstaller like Revo Uninstaller may also be effective for removing stubborn applications.
The FCUnregister.exe tool, also found in the SupportUtils folder, is designed for this purpose. It deregisters the client while leaving the software installed on the system.
It’s a command-line tool included with FortiClient installations (usually in C:\Program Files\Fortinet\FortiClient\ ) that performs a deep, forced removal of all FortiClient components — including drivers, services, VPN adapters, and telemetry.
Use the FortiClient Setup executable with the /quiet /uninstallfamily switches via Command Prompt.
In some enterprise deployments, the tool is cached locally during the initial setup. Check the following path on your machine: C:\Program Files\Fortinet\FortiClient\bin\ or look within hidden installer folders. Step-by-Step Instructions: Running fcremove.exe
package. It is designed to forcefully uninstall FortiClient, removing all components and registry entries that a standard uninstaller might leave behind. Important Note: The tool is version-specific . To avoid errors, you must use the version of FCRemove.exe
Standard uninstallation through or Control Panel is the recommended first step. However, you should use the fcremove.exe utility if:
To ensure a clean wipe without damaging your operating system's network stack, follow this precise execution order. Step 1: Boot Windows into Safe Mode
(if missing)
⚠️ : The fcremove.exe file is highly version-specific. Attempting to remove a v7.4 client using a v7.0 removal tool can result in blue screen errors (BSOD) or fragmented file dependencies. Step-by-Step Guide: Running FCRemove in Safe Mode
Never download fcremove.exe from third-party DLL websites or unverified forums. These files may be malicious or incompatible.
net stop "FortiClient Service" net stop "FortiClient Agent" net stop "FortiClient Scheduler"
A failed update or partial file deletion leaves FortiClient in a broken state where it can neither run nor uninstall normally.