update-desktop-database -V (return code: 1)
The databases in [version] could not be updated.
update-desktop-database --help (return code: 0)
Usage:
update-desktop-database [OPTION...] [DIRECTORY...]
Build cache database of MIME types handled by desktop files.
Help Options:
-h, --help Show help options
Application Options:
-q, --quiet Do not display any information about processing and updating progress
-v, --verbose Display more information about processing and updating progress