Which configuration can cause Insight to block the files being downloaded from the internal web servers?

A company receives a high number of reports from users that files being downloaded from internal web servers are blocked. The Symantec Endpoint Protection administrator verifies that the Automatically trust any file downloaded from an intranet website option is enabled.

Which configuration can cause Insight to block the files being downloaded from the internal web servers?
A . Virus and Spyware definitions are out of date.
B . Local intranet zone is configured incorrectly on the Mac clients browser settings.
C . Intrusion prevention is disabled.
D . Local intranet zone is configured incorrectly on the Windows clients browser settings.

Answer: D