posted 04-29-07 03:59 PM EDT (US)   
I just loaded a new install of Vista and when I try to play Multiplayer in version 2.2 (on my home LAN) no matter what username I type in I always get the same error.

<name> is already being used by another player. Please choose another one.

Any ideas what is going on here?

No firewall or Antivirus.