Hi Bill,
It is either a Group Policy setting (consult your network administrators),
or an Internet Security program like Windows One Care.
Depending on your OS version, logon with an Administrators account. It
should be enabled for Administrators.
Regards.
> I'd like to remove the check mark from the "Enable protected mode" check
> box,
[quoted text clipped - 3 lines]
>
> Thank you.