Your windows security repository may be corrupted, try to Reset it.
A.) Shutdowm ZA, wait 2 minutes, run ZA manually.
B.) Remove ZA use the new ZoneAlarm Removal Tool:
remove ZA with http://download.zonealarm.com/bin/fr...load/clean.exe
1. Run this tool (right click and run as administrator) to reset your corrupted Windows repository;
2. Turn on windows firewall;
3. Check windows security center is working (detecting windows firewall)
4. Now install ZA again. You need to install while logged on as administrator.