In my system:
sudo update-desktop-database -v 2>&1 | grep invalid
File '/usr/share/applications/Swiftfox.desktop' contains invalid MIME type '' that is missing a slash
$ sudo update-desktop-database -v
Search path is now: [/usr/local/share/applications, /usr/share/applications]
File '/usr/share/applications/jockey-kde.desktop' lacks MimeType key
File '/usr/share/applications/hp-sendfax.desktop' lacks MimeType key
File '/usr/share/applications/nvidia-settings.desktop' lacks MimeType key
...And a lot of other files
I have removed /usr/share/applications/Swiftfox.desktop and after thats KDE4 apps goes to starts successfully!
In my system: desktop- database -v 2>&1 | grep invalid applications/ Swiftfox. desktop' contains invalid MIME type '' that is missing a slash
sudo update-
File '/usr/share/
$ sudo update- desktop- database -v share/applicati ons, /usr/share/ applications] applications/ jockey- kde.desktop' lacks MimeType key applications/ hp-sendfax. desktop' lacks MimeType key applications/ nvidia- settings. desktop' lacks MimeType key
Search path is now: [/usr/local/
File '/usr/share/
File '/usr/share/
File '/usr/share/
...And a lot of other files
I have removed /usr/share/ applications/ Swiftfox. desktop and after thats KDE4 apps goes to starts successfully!