system
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Thanks!! 
For some reason, neither the instant messaging module nor the P2P module were working. So I checked them, rebooted and now everything is fine!! I never thought to check in the add/remove options because I’m only ever there to uninstall. Heh.
Didn’t know there was a change option in the avast uninstall menu.
I only had the Internet Mail, the Outlook and the normal scanner module loaded according to a left-click of the taskbar icon.
Now they’re all there. Woo! 
Once again, thanks! 