Compare the output you get when starting calibre in the terminal with the output in this bug: https://bugs.launchpad.net/ubuntu/+source/calibre/+bug/1898904
If it is the same, please mark your bug a duplicate of that one (and see discussion in that bug for ways to workaround issue). Thanks ** Changed in: calibre (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Edubuntu Bugsquad, which is subscribed to calibre in Ubuntu. https://bugs.launchpad.net/bugs/1900271 Title: Calibre does not start in Ubuntu 20.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/calibre/+bug/1900271/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~edubuntu-bugs Post to : edubuntu-bugs@lists.launchpad.net Unsubscribe : https://launchpad.net/~edubuntu-bugs More help : https://help.launchpad.net/ListHelp