How to Check and Configure Settings in Mozilla FireFox BTech BTech Alerts & Notifications - Check this page for the latest information on emergencies and system outages. All times are Pacific. Browser Support Guides: Browsers Mozilla FireFox Overview Mozilla FireFox has a wide variety of settings that can be customized to suit your requirements and preferences. Steps to Perform Open FireFox Navigate to URL: about:preferences#privacy Scroll down to the Permissions section. Locate Notifications and click Settings... Remove any unknown sites: Click the applicable Website. Click Remove Website Click Save Changes Within the Permissions section: Check the box for Block Pop-ups windows option. Check the box for Warn you when websites try to install add-ons option.
