update-manager crashed with UnboundLocalError in _get_application_for_package(): local variable 'installed_file' referenced before assignment

[LAZA]

1. start VirtualBox 4.2.8
2. start 'Xubuntu Quantal amd64-Klon'
3. login
4a. Settings - Screen - change resolution
4b. click on 'Software Updates'
4c. Packages where downloaded
4d. update-manager crashed AND updates where shown in the icon on the panel

Xubuntu 13.04 beta
update-manager 1:0.183
Linux 3.8.0-9.18-generic 3.8.1

----
 Traceback (most recent call last):
   File "/usr/lib/python3/dist-packages/UpdateManager/UpdateProgress.py", line 78, in _on_backend_done
     self.window_main.start_available(not success)
   File "/usr/lib/python3/dist-packages/UpdateManager/UpdateManager.py", line 186, in start_available
     self.refresh_cache()
   File "/usr/lib/python3/dist-packages/UpdateManager/UpdateManager.py", line 313, in refresh_cache
     self.update_list.update(self.cache)
   File "/usr/lib/python3/dist-packages/UpdateManager/Core/UpdateList.py", line 416, in update
     self.update_groups = self._make_groups(cache, upgrade_pkgs)
   File "/usr/lib/python3/dist-packages/UpdateManager/Core/UpdateList.py", line 337, in _make_groups
     app = self._get_application_for_package(pkg)
   File "/usr/lib/python3/dist-packages/UpdateManager/Core/UpdateList.py", line 238, in _get_application_for_package
     (installed_file, e))
 UnboundLocalError: local variable 'installed_file' referenced before assignment

[LAZA (laza74)]

To do the updates is not possible cause the search window does not disappear and cannot be closed.

Logout and login again, clicking on the update icon leads to teh next crash same error!

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Brian Murray (brian-murray)]

This particular part of the code no longer exists.

[Brian Murray (brian-murray)]

Actually it's pretty much the same code so let's mark this as a duplicate of a more recent bug report.