[verified] | Fsmainui.exe

fsmainui.exe is a legitimate core component of security software, specifically serving as the Main User Interface

If you’ve used other antivirus software, you’ve seen similar processes: fsmainui.exe

When running legitimately:

The filename stands for . As the name suggests, this executable is responsible for launching and managing the visual dashboard of your F-Secure antivirus or internet security suite. fsmainui

As a last resort:

: Enables you to manage user profiles (e.g., child profiles) and view your account or subscription details. fsmainui.exe