Have installed elementary Juno on a new build. Trying to install Tweaks, below message pops up every time I open app center. Dont necessarily want tweaks now, just want to remove the following.

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

Thanks in advance

1 Answer 1


That means you added a PPA that doesn't work with the current version of elementary. To delete it do sudo add-apt-repository --remove ppa:mpstark/elementary-tweaks-daily

  • Problem solved. Many thanks Maccer
    – Riotcode
    Oct 8, 2019 at 17:21
  • @Riotcode glad you found your answer :) Now please mark the question as answered, so that Maccer receives their points. Marking a question as "Answered" helps to keep the stack clean and encourages users to contribute. Thanks!
    – Vlad
    Oct 10, 2019 at 15:26

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