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 “ Yahoo “ Anything.

Also remove SafeSearch, SearchAssist Incognito, FileConverter Addon, SearchLock, DiscreteSearch, WebSearch, Findwide Search Engine, securedsearch

Now do the same in the computer’s Programs Folder.

Windows: Start > Control Panel > Uninstall Programs. Mac: Open the Applications folder. Linux: Check your user manual.

hi, thank you for the report - there seems to be an increase in malware addons recently that force yahoo search upon users against their will.

could you give us more information?

• launch firefox in safe mode once: Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems
• enter about:support into the address bar of firefox, then copy the text contents of that page
• paste the text content into a site like https://dpaste.com/
• provide the link generated here in a reply in the forum

thank you