Log out of IMSMA
From IMSMA Wiki
To exit IMSMA, do one of the following:
• Click the button that is in the top, right corner of the IMSMA Navigation window.
• From the File menu, select Exit.
A warning window displays to confirm that you would like to close IMSMA. Click the Close button. You can customise this option by ckecking Do not show this message again box, see also Setting System Preferences section.