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Similar to this question I cannot seem to install anything through terminal as it spits back the error: E: The repository 'http://ppa.launchpad.net/webupd8team/brackets/ubuntu focal Release' does not have a Release file.

Looking at the other question, it suggests removing the ppa, which I tried:

sudo add-apt-repository --remove ppa:launchpad.net/webupd8team/brackets/ubuntu

Cannot add PPA: 'ppa:~launchpad.net/webupd8team/brackets/ubuntu'.
ERROR: '~launchpad.net' user or team does not exist.

Also, when I do try to install something, the original error is:

   E: The repository 'http://ppa.launchpad.net/webupd8team/brackets/ubuntu focal Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.

Please note this issue was happening before I switched to kbuntu as well

If anyone has a solution for this, I'd greatly appreciate a helping hand, thanks!

Artur Meinild
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Nick
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  • You'll want to look at the files in your `/etc/apt/sources.list.d/` directory and find the one that references that particular PPA. From there you can comment out the repo, rename the file to something *not* ending in `.list`, or delete the file altogether. Once done, then you can `sudo apt update` and things should be a little bit better. – matigo Feb 03 '22 at 09:04
  • PPA's are 3rd party package sources; and all security checks are on you to perform before adding. A PPA that ended support in 2018 to me would be a reason to not add it; let alone the fact that it doesn't support *focal* or 20.04 (it didn't exist in 2018..) Did you check https://launchpad.net/~webupd8team/+archive/ubuntu/brackets before adding? – guiverc Feb 03 '22 at 09:12
  • The equivalent command for your case would be `sudo add-apt-repository --remove ppa:webupd8team/brackets` – muru Feb 03 '22 at 09:37

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