I wasn't aiming at the client firewall. That it was firewall related wasn't a conclusion, more a possible reason(I doubt it actually gives issues). The 'server' is my desktop computer, so yes I'm using it for other stuff sometimes. Which can have a effect on IM ( although I'm doubtful that'll give issues)
The whole time that you were online, Testlund. The computer was on, after that it's been off a few times.