Wailwulf: Uncle,
Open up your mplayer.ini file, copy the contents and post it here. That way we can see if the problem lies there.
Another problem could be that RB3D is being blocked by your firewall from accessing the internet.
Okay..here
//* Red Baron Player's Assistant
//* Nebulous Enterprises
//* v0.0.0c beta
//*
//* Date: 01-21-2006
//* Time: 20:55:07
//*
//*------------------------------------------
// This file contains the names and/or IP addresses of known game
// servers. Any additions to this list will be checked for inclusion
// in the list of available servers. Note that each entry should be
// of the form 'Server=ip_address'.
[MetaServers]
Server=TCP:24.67.235.150:6001 ;Camel Jocky
Server=TCP:rlgb.xs4all.nl:6001 ; Rens
Server=TCP:66.225.104.67:6001 ; Tiger
Server=TCP:depotserver.de:6001 ; Longarth's
[KnownServers]
Server=UDP:198.74.40.74:47807
Server=UDP:200.162.202.86:47801
Server=UDP:209.67.71.137:47807
Server=UDP:209.173.185.91:47800
Server=UDP:209.173.185.91:47802
Server=UDP:209.173.185.91:47805
Server=UDP:68.145.135.66:47805
Server=UDP:74.41.223.182:47801
Server=UDP:82.126.245.167:47805 ;J-99
Server=UDP:209.173.185.91:47802 ;DromeWars
Server=UDP:70.232.57.145:47802; Jasta 5 Practice Server
Server=UDP:70.232.57.145:47805; Jasta 5 Open Server
Server=UDP:68.145.135.66:47805 ;Primary WF and BA server (SC)
Server=UDP:74.41.223.182:47801 ;Pickett's Place
Server=UDP:209.173.185.91:47802 ;DromeWars
Server=UDP:209.173.185.91:47805 ;ColdWar
Server=UDP:209.173.185.91:47804 ;FUNDAY,ColdWar
Server=UDP:209.173.185.91:47800 ;Bomb'o'Rama
Server=UDP:66.225.104.67:47800 ;Monkey Island World League Server
Server=UDP:66.225.104.67:47801 ;War Forces Server
Server=UDP:66.225.104.67:47802 ;AV Squadron Server
Server=UDP:66.225.104.67:47803 ;Cold War Server
Server=UDP:66.225.104.67:47804 ;Buzz's Barn Stormin' Jamboree
Server=UDP:66.225.104.67:47805 ;Flying Coffins Server
Server=UDP:66.225.104.67:47806 ;Red Baron World League Server
Server=UDP:66.225.104.67:47807 ;Monkey Island "Hooch" Server 1
Server=UDP:66.225.104.67:47808 ;Intermediate FM Server
Server=UDP:66.225.104.67:47809 ;Flanders Air War Server
Server=UDP:66.225.104.67:47810 ;Monkey Island "Hooch" Server 2
Server=UDP:213.185.0.115:47800 ;CSq_Swordfish server
Server=UDP:76.106.247.48:47801 ;Willie's Valhalla
Server=UDP:213.185.0.115:47800 ;CSq_Swordfish server
Server=UDP:66.225.104.67:47800; Monkey Island World League Server
Server=UDP:66.225.104.67:47801; War Forces Server
Server=UDP:66.225.104.67:47802; AV Squadron Server
Server=UDP:66.225.104.67:47803; Cold War Server
Server=UDP:66.225.104.67:47804; Buzz's Barn Stormin' Jamboree
Server=UDP:66.225.104.67:47805; Flying Coffins Server
Server=UDP:66.225.104.67:47806; Red Baron World League Server
Server=UDP:66.225.104.67:47807; Monkey Island "Hooch" Server 1
Server=UDP:66.225.104.67:47808; Intermediate FM Server
Server=UDP:66.225.104.67:47809; Flanders Air War Server
Server=UDP:66.225.104.67:47810; Monkey Island "Hooch" Server 2
Server=UDP:68.145.135.66:47805 ; Primary WF and BA server (SC)
Server=UDP:66.225.104.67:47801 ;Secondary WF server (Chum)
Server=UDP:74.41.223.182:47801 ;Pickett's Place
Server=UDP:71.34.213.45:47802 ;BLAST The Red Baron Island! ~NFM~
Server=UDP:71.34.213.45:47804 ;BLAST The Red Baron Island! ~AFM~
Server=UDP:68.145.167.226:47805 ;BA Silverclaw's WF's Server
Server=UDP:65.35.231.2:47800 ;BH Pops Flanders Air War
Server=UDP:24.178.200.80:47800 ;BH Dutch Flanders Air War
Server=UDP:24.178.200.80:47801 ;BH Dutch Flanders Air War
Server=UDP:24.178.200.80:47802 ;BH Dutch Flander Air War
// Server=UDP:128.151.191.69:47801
// Server=UDP:128.151.191.69:47802
// Server=UDP:128.151.191.69:47803
// Server=UDP:128.151.191.69:47804
Server=UDP:128.151.191.69:47805
// Server=UDP:128.151.191.69:47807
// Server=UDP:129.37.93.139:47800
// Server=UDP:134.129.156.84:47800
// Server=UDP:192.168.0.1:4900
// Server=UDP:192.168.0.1:4901
// Server=UDP:192.168.0.1:4902
// Server=UDP:192.168.0.1:4903
// Server=UDP:192.168.0.1:4904
// Server=UDP:192.168.0.1:4905
// Server=UDP:192.168.0.1:4906
// Server=UDP:192.168.0.1:4907
// Server=UDP:192.168.0.1:4908
// Server=UDP:198.74.38.237:47800
// Server=UDP:198.74.40.74:47807
// Server=UDP:198.74.40.74:47807
// Server=UDP:198.74.48.237:47800
// Server=UDP:203.46.39.225:47800
// Server=UDP:207.113.51.244:47800 ;Great War Server
// Server=UDP:207.140.89.254:47800 ;Great War Server
// Server=UDP:208.185.153.253:47800 ;Chumley's Server0
// Server=UDP:208.185.153.253:47801 ;Chumley's Server1
// Server=UDP:208.185.153.253:47802 ;Chumley's Server2
// Server=UDP:208.185.153.253:47803 ;Chumley's Server3
// Server=UDP:208.185.153.253:47804 ;WarForces III
// Server=UDP:208.185.153.253:47805 ;WarForces III RSS
// Server=UDP:208.185.153.253:47806 ;Chumley's Server6
// Server=UDP:208.185.153.253:47807 ;Chumley's Server7
// Server=UDP:208.185.153.253:47808 ;Chumley's Server8
// Server=UDP:208.185.153.253:47809 ;Chumley's Server9
// Server=UDP:208.185.153.253:47810 ;Chumley's Server10
// Server=UDP:208.191.137.200:47800 ;RBWL Backup Server
// Server=UDP:209.135.65.135:47800
// Server=UDP:209.28.139:48000
// Server=UDP:209.48.198.57:8000
// Server=UDP:209.49.2.244:47000
// Server=UDP:209.67.190.134:47800
// Server=UDP:209.67.190.134:48000
// Server=UDP:209.67.190.134:48000
// Server=UDP:209.67.190.134:48001
// Server=UDP:209.67.190.134:48001
// Server=UDP:209.67.28.139:48000
// Server=UDP:209.67.71.137:47807
// Server=UDP:209.67.71.137:47807
// Server=UDP:209.67.78.139:48000
// Server=UDP:209.67.78.139:48001
// Server=UDP:209.67.78.139:48002
// Server=UDP:209.67.78.139:48002
// Server=UDP:209.83.162.66:48000
// Server=UDP:213.152.32.251
Server=UDP:216.76.57.103:47807 ;PF Server
Server=UDP:217.72.51.184:47800
Server=UDP:24.94.94.56:47800
// Server=UDP:64.254.136.254:47800 ;RBWL Server
// Server=UDP:64.254.136.46:47800 ;RBWL Server
// Server=UDP:66.225.104.67:47801
Server=UDP:80.162.45.44:47805
Server=UDP:80.162.45.44:47805
Server=UDP:80.162.45.44:47806
// Server=UDP:80.162.45.44:47806
// Server=UPD:128.190.197.132:47800
Server=UPD:207.140.89.254:47800
[QuickChat]
Insert=Salute!
Delete=
Home=S! All
End=
PageUp=
PageDown=Salute!
// Use the following entry if you are playing behind a firewall, and you
// need to specify a particular port number to access the internet. In
// most cases you should leave this blank...
[Winsock]
Port=