Those reports have three responses...Open, Stealth and Closed.
Open means that information can freely flow along that port.
Stealth means that the port is partially open (eg: you can send from that port, but if someone tried to access your system via that port, they would be denied access)
Closed means that no information can be transferred.
I know, the first and last of those three explanations are pretty self-evident.
Again, I ask, do you have this problem with all networks, or just the one? If just the one, which network is it? I can't realistically provide you with answers to your problem if I'm unable to test my suspicions. I know I could tell you to try suggestion A, then wait for you to try it and get back to me if it worked or not. Then, if it didn't work, we'd have to do the same process with suggestion B, C, D, E, ....
A lot faster for me to get the network name from you, then try all of the possibilities until I find one that works.
Regarding that code someone had you put into your perform section, could you also post it (editing any personal information that may exist), so that I can review it and see just what it does?