There five ways to open Comodo Client Security (CCS) on an endpoint:
Windows Defender Security Center (Windows 10, v.1703 and above)
Note: The shortcut, tray icon, and widget are only shown if enabled in the ‘UI Settings’ section of the device profile.
See https://wiki.itarian.com/frontend/web/topic/how-to-re-brand-comodo-clients-and-the-virtual-desktop-and-configure-ui-settings for more details.
Press the 'Windows' home key
Select 'Comodo' > 'Comodo Client Security'
Note - the start menu varies slightly for different Windows versions.
Double click the CCS tray icon to open the main interface:
Double-click on the Windows Defender icon to open the application
OR
Right-click on the tray icon and select 'Open...'.
Click the 'Virus & threat protection' tile
Click 'Open COMODO Antivirus' to open the Comodo Client Security interface: