> Hi, I just downloaded this program and I hosted a game. I waited someone to come to my game and after that when someone joined, I launched the game. But after the loading screen is gone, game crashes on Internal Error.
> It didn't happen when I tried to play skirmish game, only when I try to launch a multiplayer game. Without XCC IRC it works, but with XCC IRC on, it crashes. Anything I've missed or something? I have logged in as an administrator in XP, as always.

Does this happen always or just that one time?
Don't task-switch away from RA2.

> And I noticed this program edits hosts file and adds there a line to disable some address, why is that?

Because it needs to filter traffic send to that address.