If your system already has another version of Firefox installed e. Please note that this article is published by Xmodulo. If you would like to use the whole or any part of this article, you need to cite this web page at Xmodulo. Viewed k times. So I tried to downgrade to version 39 following this link , where there are two options: 1 Choose from the list here , but I have no idea which of the 11 subversions should I use.
I chose the 2nd option, but after decompressing the file, I have a 'Firefox' folder with lots of files and executables that don't run, just give an error message: XPCOMGlueLoad error for file There's a 'run-mozilla.
Improve this question. Rodrigo Rodrigo 2 2 gold badges 6 6 silver badges 18 18 bronze badges. Add a comment. Active Oldest Votes. You may have two choice to choose for installing method: Via Mozilla's ftp site kudos for Bhikku for sharing the link! Improve this answer. Liso Liso Thanks, Liso, it worked. But isn't it a bit strange that this package should reside in 'ubuntuzilla' sf.
I mean, why can't it be mozilla. How can I be sure that ubuntuzilla is made by the same guys at mozilla, and not by some hackers? I'm pretty sure ubuntuzilla is trusted, since the author just repack the official release by mozilla. If the work is "just repack", then it's still amazing that Mozilla can't do that themselves BhikkhuSubhuti Thank you! That feels much safer! Show 2 more comments. In a terminal run: apt-cache show firefox grep Version You will get a list of available versions like in the list below: Version: BeastOfCaerbannog 7, 9 9 gold badges 29 29 silver badges 52 52 bronze badges.
This is my preferred method, because it lets me still using the package manager and I plan to use it to go back to the latest version someday soon. That's definitely the answer I was looking for, thank you! Sorry, I'm not going to test your solution, just because I solved it a while ago. But thanks for you trying and helping who gets here in the future. This is how I downgraded to Firefox 50 version from version Enter this code if using the terminal : tar -xzf firefox-.
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