Comment 11 for bug 1255469

I came across the same issue recently while updating packages using aptitude. Here's a snip:

...
Setting up shotwell-common (0.18.0-0ubuntu2) ...
Setting up shotwell (0.18.0-0ubuntu2) ...
Setting up software-center (13.10-0ubuntu3) ...
Updating software catalog...this may take a moment.
INFO:softwarecenter.db.pkginfo_impl.aptcache:aptcache.open()
WARNING:softwarecenter.db.update:The file: '/usr/share/app-install/desktop/sonic-visualiser:x-sonicvisualiser-layer.desktop' could not be read correctly. The application associated with this file will not be included in the software catalog. Please consider raising a bug report for this issue with the maintainer of that application
WARNING:softwarecenter.db.update:The file: '/usr/share/app-install/desktop/sonic-visualiser:x-sonicvisualiser.desktop' could not be read correctly. The application associated with this file will not be included in the software catalog. Please consider raising a bug report for this issue with the maintainer of that application
Software catalog update was successful.
Processing triggers for libc-bin (2.19-0ubuntu2) ...
Processing triggers for ureadahead (0.100.0-16) ...
Press Return to continue.