The PC release of Halo 2: Anniversary arrived on Wednesday morning with a revamped look and a nasty new bug. Folks trying its widely-adored multiplayer have found that trying to rockets and grenades fired at enemies will sometimes magically teleport to teammates and blow them up instead. That’s bad, that. And then teamkilling protections can kick in and you get kicked from the match and… oh dear. The developers are investigating the problem and did briefly think they had made a fix, but it didn’t hold so here we are.