cant join server

HELP. (PC v. 0.5.6.1) English version: I am a usual player of Halo 2. I never had problems with the game. Recently, I can't join in-game. Only I saw the Servers List. Help me, please. SPANISH VERSION: Ayuda. No puedo ingresar a las partidas. Lo último que recuerdo fue actualizar a la...

So I provided a static ip address, port forwarded both 2000-2010 and 12000-12010 for TCP/UDP, allowed inbound and outbound rules for the same ports for TCP/UDP, and provided two ports for my router on Netgear of the same ports. Yet, nothing seems to work. I would really appreciate if someone...