Trend Micro recommends
manually updating your scan engines and pattern files immediately
after installing ScanMail or
whenever there is an outbreak. This establishes a security baseline
for your Exchange environment.
Procedure
Click Updates → Manual.
Select the component that you wish to update.
Click Update.
ScanMail begins
downloading the components and displays a progress bar that shows
you the elapsed time and the percentage of the download remaining. ScanMail downloads
the current components from the specified source.