Outlook Initialization Error with some Add In

Getting Error at the time of initializing Outlook 2007: The Add-in "Outlook Scan" could not be loaded. What should I do now ? What are the causes for this error so that I will avoid doing those next time. Please help as soon as possible.

The Add-in “Outlook Scan” (C:Program FilesMcAfeeVirusScan EnterpriseScanotlk.dll) cannot be loaded and has been disabled by Outlook. Please contact the Add-in manufacturer for an update. If no update is available, please uninstall the Add-in.
OK
