From the main menu, use this path: File > Preferences
In the left-side window, under the "Privacy & Security" drop down menu, select "Cookies" and make sure the radio buttons next to "Allow cookies for the originating web site only" and "Accept cookies normally" are selected.
In the left-side window, under the "Privacy & Security" drop down menu, select "Popup Windows" and make sure the box next to "Block unrequested popups windows" is not checked. Or, you can also enter "registration.fhda.edu" into the allowed sites using the "Allowed Sites..." button.
Make sure the radio button next to "Accept cookies" is selected for "Only from sites you navigate to".