settings are lost and return to default when firefox mozilla restrated on new macbook pro but why?
have installed extension for duckduckgo but dissapears when restart computer and go back to default mozilla page - other setting also back to defaults
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https://support.mozilla.org/en-US/kb/how-to-fix-preferences-wont-save
Note: Some software, like Advanced SystemCare with Surfing Protection, can protect files in the Firefox profile folder against changes. If you have such software then check the settings or uninstall this software.