If the uninstall fails while uninstalling Total Defense Mobile Security, you should make sure that the Mobile Security application is deactivated from being a device administrator. Follow the steps given below to uninstall Total Defense Mobile Security.
- Go to Settings.
- Open Location and Security
- Open Select Device Administrators
- Uncheck Mobile Security This will deactivate it as device admin
- Go to Manage Applications and Uninstall Total Defense Mobile Security.