Either that's a problem with his demo, or a problem with your game. I heard around somewhere that TF2 has trouble fast-forwarding to high ticks with "Multicore Rendering" on. If you disable it, the demo might work.

Oh, sorry. That's strange. Here is the proof. Since the forums for some reason don't accept .tga photos, i put them in a .zip.

Username: quinha Who are you reporting? vivziepop killing flashgitz What server game mode is the report concerned with? CTF BR server What is the accused persons's SteamID? STEAM_0:1:564287536 What is the reason of the report? He was offfending the other players and generally being...