Did you reinstall gdebi-core? It contains the mo files.
Here is my test results with hu_HU.UTF8 locale and the PPA version of gdebi:
debi-kde --help Usage: gdebi-kde [options]
Options: -h, --help show this help message and exit -n, --non-interactive Futtatás nem interaktív módban (veszélyes!)
--
gdebi-kde βετα/gnome-app-install_0.5.12-0ubuntu1_all.deb executable /usr/bin/gdebi-kde
No error window or any problem.
So please try reinstall the gdebi-core.
Did you reinstall gdebi-core? It contains the mo files.
Here is my test results with hu_HU.UTF8 locale and the PPA version of gdebi:
debi-kde --help
Usage: gdebi-kde [options]
Options:
Futtatás nem interaktív módban (veszélyes!)
-h, --help show this help message and exit
-n, --non-interactive
--
gdebi-kde βετα/gnome- app-install_ 0.5.12- 0ubuntu1_ all.deb
executable /usr/bin/gdebi-kde
No error window or any problem.
So please try reinstall the gdebi-core.