I'm trying to install the Reddit Enhancement Suite addon. When I visit this page I see the following warning:

This add-on requires a newer version of Firefox (at least version 53.0). You are using Firefox 52.0.

I'm using Firefox 57. Why does Mozilla think I use Firefox 52?

  • maybe manually set useragent? – Ipor Sircer Nov 14 '17 at 17:23
  • To do that you have to add values to about:config. I've never done that. I don't have a user agent switcher addon. – SPRBRN Nov 14 '17 at 17:48

According to this Reddit post, you need to open about:config and reset the option privacy.resistFingerprinting.

Maybe you changed it before and just don't remember it, or some extension did it for you.

  • If that doesn’t work just chnage your user agent. – Ramhound Nov 14 '17 at 23:59

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