ZoneAlarm is a network security software utility created by Zone Labs, sometimes you might want to uninstall it as it is complained by many people that this program slows down the system running. If you fail to uninstall ZoneAlarm, we recommend you to try “Perfect Uninstaller” program which is designed to help you uninstall programs/applications that is hard to be removed by normal procedure.

Here is the detailed visual demonstration about how we can uninstall ZoneAlarm completely by Perfect Uninstaller:

Step1: Open Perfect Uninstaller.
Step2: Select ZoneAlarm in the list.
Step3: Click Uninstall button to start.

Step4: Follow the on-screen instruction to process.

Notice: If the system requied to restart as the below picture, please temporarily click Cancel to ignore and continue to delect the leftover in the registry.

Step5: Click the “finish” button and restart your computer.