Sam & Max mouse issue

[Fire Breaf]

I got Sam & Max: Penal Zone on my mac through steam and for a while it played alright, if a bit laggy at times, but now whenever I try to play it the mouse is stuck in the top left corner, so I can't get past the main menu.

[DjNDB]

I got Sam & Max: Penal Zone on my mac through steam and for a while it played alright, if a bit laggy at times, but now whenever I try to play it the mouse is stuck in the top left corner, so I can't get past the main menu.

Have you tried this workaround (http://www.telltalegames.com/forums/showthread.php?p=266760#post266760)?