What does the SMCGUI.EXE control and what happens when I disable it?
The SMCGUI.EXE controls the SEP system tray icon and its functions. On a Citrix machine or Terminal server the SMCGUI.EXE can be disabled if memory resources being used by this component of the Symantec Endpoint Protection client are determined to be excessive. SEP administrators may also choose to disable SMCGUI to hide the tray icon and its associated notifications.
When disabling the SMCGUI, the following functionality is affected: