Welcome raydec.
Upgrading Versions Will Not necessarily fix any problem much less a connection issue.
Usually connection issues are contributed to Firewalls, ISP's, Routers/Modums w/NAT.
You say " Tried This " which doesn't tell us anything, since this thread is HUGH. I'll give you a few Links to check out. Connection Problems are the #1 biggest issue here, so if you would elaborate, it might be usefull.
See Links below.
Connection problems? Check here first! System details - help us to help you -> Provide these details when you post!!!