I just removed ZoneAlarm - the suite from 3 computers. I know I spent money on the program, but the money doesn't matter. ZA never killed my internet connection, but it was always causing problems with a variety of applications, especially Adobe. And it slowed my computer down to a crawl
The thing is, it didn't happen all at once . . . . that would have made the source of the problems more obvious. No, it gradually caused one problem after another, and gradually slowed down my computer to point where I was ready to
I got a lot of good advice from this forum, removed it and put AVG on. Now my computer is running and starting smoothly and quickly.
I don't know why you want to try it again . . . but good luck if you do. I don't plan on reinstalling it on mine.