Some anti-virus / security programs are notorious for false alarms. In this case, COMODO incorrectly blocked DriveHQ client software. If you can email DriveHQ customer support a screenshot showing the detailed error message, we might contact COMODO asking them to fix the problem. You can also contact COMODO customer support telling them that their software incorrectly blocked DriveHQ client software.
Anti-virus software usually maintains an allow / deny list. You can add DriveHQ client software to the allow list. You can also temporarily disable COMODO and see if it works fine.