- Added checkbox to enable opening a new window in Internet Explorer 6.
Previously, it was always disabled when IE6 was in Full Screen mode.
This checkbox also disables Ctrl-N system-wide.

- Added Vista detection so that Secure Desktop 6.84 can not run in
Vista. Secure Desktop 7 will be designed for Vista.

- Added Internet Explorer 7 detection when the Internet Explorer button
is clicked in Secure Setup. The settings in this dialog will not work
for Internet Explorer 7, that support will be in Secure Desktop 7.