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Firefox keeps setting Yandex as the default search engine.

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First of all, I hate everything about Yandex and I will not ever use it simply because it tries to force itself into our lives. Anyway, this is not the main problem. Every once in a while I keep getting Yandex set as the default search engine for Firefox and every time, I delete all search engines and just leave Google. Why does this happen over and over again?

First of all, I hate everything about Yandex and I will not ever use it simply because it tries to force itself into our lives. Anyway, this is not the main problem. Every once in a while I keep getting Yandex set as the default search engine for Firefox and every time, I delete all search engines and just leave Google. Why does this happen over and over again?

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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 “ Yandex “ 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.

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What Firefox locale do you use ?

Yandex is the default search engine in some locales and in some countries.

You can rename/remove search.json.mozlz4 (and possible search.json, search-metadata.json, search.sqlite) in the Firefox profile folder with Firefox closed to rebuild the search engines registry.

You can use the button on the "Help -> Troubleshooting Information" (about:support) page to go to the current Firefox profile folder or use the about:profiles page.

Firefox will rebuild the search.json.mozlz4 file from the builtin search engines.