Disable Addins
Outlook 2007: Disabling/Enabling Add-ins
http://www.tech-recipes.com/rx/1959/outlook_2007_disabling_enabling_add_ins
http://www.tech-recipes.com/rx/1959/outlook_2007_disabling_enabling_add_ins
To remove an uninstalled add-in, close Outlook and then open C:\Documents and Settings\User Name\Local Settings\Application Data\Microsoft\Outlook folder and delete extend.dat file. This file holds the cache of all the Outlook Add-ins.
Restart Outlook
