Please see these Knowledge Base articles:
http://www.aximsite.com/articles/link.php?id=74
and
http://www.aximsite.com/articles/link.php?id=69
or (1)re-install the application. (2)Go to the Running Programs applet in the memory settings control panel and make sure the program is not running; if it is a Today plugin, instead uncheck it from the Today Items applet (3) unintstall