MSASCui.exe (Windows Defender User Interface)
msascui.exe is a process belonging
to Microsoft Windows Defender Antispyware which protects your computer
against Internet-bound threats such as spyware and trojans which can be
distributed through e-mail or attack directly to the computer allowing
unauthorized access to your computer. This program is important for the
stable and secure running of your computer and should not be
msascui.exe should not be disabled, required for essential applications to work properly.