Firefox : Settings are not saved

I was having an issue recently that none of my settings/preferences were saved in Firefox. It opens the Firefox updated page along with extensions updated page every time I open the browser. The manual override of about:blank is also not reflecting.

Solution is just delete your pref.js from your profile folder or make sure that it is not read only. Interestingly my pref.js was read only I just deleted it, I believe making it writable will also fix the issue.

Profile folder location(s)

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