Please refer this Script if you want to Uninstall Comodo Client Security or Rebranded Client Security.
PARAMETERS TO BE EDITED:
EM Label: Any Name
Default value: Enter the application name as in the control panel.
While running the procedure kindly please go to configure parameters tab and tick the check box Use default value.
Kindy, refer the below wiki link:
Run this script as System User
Please run this script as System User