Proton.me not liking firefox version. Says its not compatable




I'm not sure if anybody has asked this yet. I think we've all just made assumptions, but I may have missed a post and a reply.

Has anyone asked you how you installed Firefox in the first place? Normally, Ubuntu will ship with Firefox. Did you do something else to install it, such as add a PPA or maybe install from a .deb that you found somewhere?
 
If you remove all old Firefox browsers first before doing this

To install Firefox for Debian/Ubuntu-based distributions from the Mozilla PPA - APT repository, instead of snap packages do the following:

1) Create a directory to store APT repository keys - if it doesn't already exist check this location first - if it exists then skip this step

sudo install -d -m 0755 /etc/apt/keyrings

2) Import the Mozilla APT repository signing key:

wget -q https://packages.mozilla.org/apt/repo-signing-key.gpg -O- | sudo tee /etc/apt/keyrings/packages.mozilla.org.asc > /dev/null

If you do not have wget installed, you can install it with:

sudo apt install wget

3) Next, add the Mozilla APT repository to your sources list:

echo "deb [signed-by=/etc/apt/keyrings/packages.mozilla.org.asc] https://packages.mozilla.org/apt mozilla main" | sudo tee -a /etc/apt/sources.list.d/mozilla.list > /dev/null

4) Configure APT to prioritize packages from the Mozilla repository:

echo '
Package: *
Pin: origin packages.mozilla.org
Pin-Priority: 1000
' | sudo tee /etc/apt/preferences.d/mozilla

5) Update your package list and install the Firefox .deb package:

sudo apt update
sudo apt install firefox

For those of you who would like to use Firefox in a different language than American English, Mozilla has created .deb packages containing the Firefox language packs. To install a specific language pack, replace fr - (French) in the example below with the desired language code:

sudo apt install firefox-l10n-fr

To list all the available language packs, you can use this command after adding the Mozilla APT repository and running
sudo apt update
apt-cache search firefox-l10n
 


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