Fsmainui.exe 2021 -

, a piece of polymorphic code tried to disguise itself as a harmless text file. But the underlying engine saw the jagged edges of a trojan. With a silent command, the file was whisked away to the Quarantine Vault fsmainui.exe

If you have F-Secure (now known as WithSecure) installed on your computer—such as F-Secure SAFE, F-Secure Total, or F-Secure Internet Security—this process is a core component of that software. fsmainui.exe