Hey i got a ? icon on the dock and i found no way to remove it. actually i got 2 icons, one is plex and the other one is the sims.
http://idisk.me.com/morten.pedersen/Public/Pictures/Skitch/Dock-20100114-223336.jpg
http://idisk.me.com/morten.pedersen/Public/Pictures/Skitch/Dock-20100114-223336.jpg