Q: For several years I’ve used several browsers, but Mozilla Firefox has been my main browser, and I have many bookmarks there. For the first time, I cannot open the program. When I click on the icon ...

An expired certificate on the Mozilla Add-ons infrastructure is disabling Firefox add-ons for millions of users, and is also preventing users from re-activating or (re-)installing extensions. The ...

Jump-start a stalled update, find the source of slow browser start-ups, get rid of add-ons that won't uninstall, prevent phantom update alerts, and keep autocomplete entries from disappearing. Dennis ...