Attachment+Manager+how++it+operates

The Attachment Manager is a feature included in many versions of Windows (Windows XP SP2 ? Windows 7 SP1) that is designed to protect your computer from unsafe attachments in email or unsafe downloads from the web.
 * Attachment Manager how it operates **

If it detects what it determines is a potentially unsafe attachment, it prevents you from opening it (or warns you before you open it).

If you want to know more about how it works, what types of files it flags as unsafe, and how you can configure it via the registry (or Group Policy on certain operating system editions), read [|KB article 883260]. []