[Mafamaticks]

Get yourself a registry editor (PHM Registry Editor is a good one) and browse to this key:

HKLM/Software/Microsoft/Shell/Rai/:MSCONTACTS

Change the current value (1 - :MSCONTACTS) to the path of iContact. I put my iContacts folder into my Programs folder so I look like this (with the quotes)

1 - "\Program Files\iContact\icontact.exe"

After that soft reset.