default search engine problem | Firefox Support Forum ...
Type about:addons <enter> in the address bar to open your Add-ons Manager. Hot key; (<Control> [Mac=<Command>] <Shift> A) In the Add-ons Manager, on the left, select Extensions. Remove “ Google “ Anything. Also remove SafeSearch, SearchAssist Incognito, FileConverter Addon, SearchLock, DiscreteSearch, WebSearch, Findwide Search Engine ...
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