Wacom
In my case, it was the tabletservicewacom service that was causing the non-working problem of the right mouse button in maya 2011 and maya 2012.
I just stopped the Wacom tablet service in windows xp and restarted Maya, what solved the problem.
Regards,
Samuel
Last edited by sambh; 07-02-2012 at 09:46 AM.
Reason: Add info