The following instructions work for both Windows and Mac
Java Control Panel
Open the Java Control Panel and click "Settings..."
Click on "Delete Files..."
Check all boxes and click OK
Make sure all 3 checkboxes are checked and then click "OK"
Click "OK" to get rid of the Temporary Files Settings window.
Go to the Security tab
Go to the Security tab and click "Edit Site List..."
Add SUU url to exception site list
Add the SUU url to the exception site list. URL to add is https://banneradmin.suu.edu
Restore Security Prompts
Click the "Restore Security Prompts" button.
Click the "Restore All" button.
Close Java Control Panel & Restart Browser
That is it. You can close the Java control panel and then restart the user's web browser.