Error installing latest Firefox

I've downloaded and installed the last version of Firefox. When I try to start the aplication I received the following error:

firefox: error while loading shared libraries: cannot open shared object file: No such file or directory

How can I install this library? With the actual repository I cannot find it.

E: Impossível encontrar o pacote


Hi @leafar, first of all, are you talking about the Beta or the Stable version?

In any case, this library can be found with:


which returns different results, but it should probably the "libatomic1" package, so just try to install it:

api libatomic1

Tip for the aliases combos, run: alias | grep apt

Hi! Thanks for your reply.
I'm talking about stable version.
I did all commands which you told me but I received the message: impossible to find the package libatomic1

Now I'm thinking...if I change all my repository to beta version, I mean, edit the .list files and change the URLs. Is it possible?

I'm trying to install the latests versions of firefox and chrome but it's so hard...the package .deb of chrome stable doesn't work. During the process of install I got this messege: dpkg-deb contains not understood data member control.tar.xz.

Well, thanks again for attention.

Stable is 32 bit whereas chromium and Firefox dpero not support 32 bit anymore.

If you do want/need to run the latest versions you'll need to switch to 64bit i.e the Beta amd64 version.
That'll be a whole different experience to Stable. though. :love:

Thank you for your feedback!
I've got it.

For instance, I'll keep with the stable version. I'll use Google Meet and GoToMeeting directly through my phone.

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yes, if you want newer browsers you need to use the beta versions, which are a very different experience...

by other side, if im not wrong, both firefox and chromium are available for 32bits in the beta versions (which is lighter than the 64bit version), but if you download firefox from their website yes its maybe only 64bit, same for chrome (not chromium), which is only 64bit since long time

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