I *think* a checkbox got past me during the lastest upgrade of my IM program Trillian. 
A new program called Xobni integrated itself with with my Microsoft Outlook.
To uninstall Xobni :
Windows XP: Start -> Control Panel -> Add or Remove Programs -> Xobni
Vista/Win7: Start -> Control Panel -> Programs and Features -> Xobni

A new program called Xobni integrated itself with with my Microsoft Outlook.
To uninstall Xobni :
Windows XP: Start -> Control Panel -> Add or Remove Programs -> Xobni
Vista/Win7: Start -> Control Panel -> Programs and Features -> Xobni