There was an issue communicating with the mirror of the Ubuntu archive which you use. You'll need to sort out your network issues or switch the mirror you are using.
2021-11-01 19:13:38,425 DEBUG examining: 'deb http://br.archive.ubuntu.com/ubuntu/ hirsute main restricted' 2021-11-01 19:13:38,425 DEBUG verifySourcesListEntry: deb http://br.archive.ubuntu.com/ubuntu/ impish main restricted 2021-11-01 19:13:38,425 DEBUG url_downloadable: http://br.archive.ubuntu.com/ubuntu//dists/impish/Release 2021-11-01 19:13:38,425 DEBUG s='http' n='br.archive.ubuntu.com' p='/ubuntu//dists/impish/Release' q='' f='' 2021-11-01 19:13:48,776 DEBUG error from httplib: '<urlopen error [Errno -3] Falha temporário na resolução de nome>' 2021-11-01 19:13:48,777 DEBUG entry '# deb http://br.archive.ubuntu.com/ubuntu/ hirsute main restricted' was disabled (no Release file) ** Changed in: ubuntu-release-upgrader (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1949408 Title: Ubuntu sofwtare update crashed To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1949408/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs