Has it ever worked? I wonder if you have a common software on all of them that has goofed it up.
Just for fun I installed a demo of that software and it didn't cause any problems. It was version 7 though, that's all they had available. Personally, I'd remove the software on one computer and see if the problem goes away. Something that you've done, or has happened, to all 3 machines caused the problem.
Thank you for trying it out for me. I did not know if it has ever worked. I used ipconfig to look up my ip for an application and i got error. I do not know what went wrong with it. I already removed the version 6 but the problem still exists. Do you know any application that can tell my ip.
I think i have to reinstall all of them after my exams cause i try to restore on one machine;but it fails on me.