I can reproduce this with: $ mkdir /tmp/ää $ cd /tmp/ää $ apt-get download 2vcard $ software-center /tmp/ää/2vcard*.deb this will also give me a crash.
** Visibility changed to: Public -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1043752 Title: software-center crashed with TypeError in call_async(): Don't know which D-Bus type to use to encode type "NoneType" To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/software-center/+bug/1043752/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs