During set up of ZA Free you will be asked if you want to take the 15 day free trial of ZA Pro. Did you accept the free trial? If you did then you have Pro. If you didn't you have the free version.
The only problem with ZA is with ZA Pro's Privacy function interfering with avast!'s WebShield. ZA Pro's Privacy settings can be turned off and you won't have any issues.
I personally never had any problems with ZA Pro's Privacy functions & avast!. I shut down ZA Pro Privacy settings anyway as they are unneeded.
I just returned to ZA from Online Armor. I'm very happy to be back with
Z!
I don't plan to try any other firewall but the avast! Personal Firewall when it comes out.