Error while trying to install ZA

I am trying to install the free version of Zone Alarm and get this error message:

http://i153.photobucket.com/albums/s240/Atenizo/truevector.jpg

How do I do this? Thanks for your help in advance. I have been having problems with my computer lately with connection issues and have had to use the system restore several times. The system restore usually corrects the problem but this last time I couldn't do the system restore until I first uninstalled the new updated ZA program. Now, I can't seem to install it back on my computer. I went to the site and got a fresh download and that's what I get.