Received a warning message attached to and incoming email. It reads - "This message contains an attachment whose file type is considered dangerous. The file has been deactivated. Get Help." The warning is highlighted in a bright red background.
My OS is Windows 7 and I'm using Family Tree Maker 2011. The attachment is an FTM 2005 file and the sender is known to (and trusted by) me. Ihaven't tried to open the file in case it really is dangerous.