Otherwise the Unread Mail can be disabled via the Registry - navigate to:
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\UnreadMail\[Youremailaddress],
double click on 'MessageCount' - in the right hand pane - and change the
value to 0(Zero).
***If you do opt for the Registry please 'tweak', please backup the Registry
first. A good program to do this - as well as being able to restore it - is
ERunt: