This looks like a third-party package, not the 'slack' configuration management package. I suggest filing a bug report with whoever provided the slack-desktop package you're installing.
Thanks ** Package changed: slack (Ubuntu) => ubuntu -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1970748 Title: package slack (not installed) failed to install/upgrade: el subproceso instalado paquete slack script pre-removal devolvió el código de salida de error 2 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/1970748/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
