Means that Symantec Antivirus cannot scan e-mails as they are downloaded.
If you get into the habit of saving attachments to the file system and then
opening, then yes, your up-to-date AV solution has an excellent chance of
catching it.
> What negative effect will removing this add-in have? It has speeded the
> system up massively but I guess i have stripped a layer of virus defense
> away.
> I guess it is scanning emails before they are opened? I guess if it opend
> my PC AV will capture it??