Uninstall ZoneAlarm Pro Firewall Updated April 08, 2021 03:19 Press the Windows key then type: uninstall. From the search results click on Add or remove programs. Scroll to the bottom of the Apps & features list and select ZoneAlarm Pro. Then click the Uninstall button. When ZoneAlarm opens, click the Uninstall button to begin. When prompted Are you sure you want to uninstall click the Yes button. When prompted for the security check, click the Yes button. ZoneAlarm will take several minutes to uninstall. When the uninstall has completed click the Finish button.Your PC will need to be rebooted to complete the uninstall, click the Yes button to reboot.