i keep geting this error after installing it to hdd i changed language to english followed this forum instruction for hdd install went to loacal in main menu swaped to en-us wen i try to use terminal for updated or download i get this error (process:3968): Gtk-WARNING **: Locale not supported by C library.
        Using the fallback 'C' locale.
i want to get english firefox but loades new module but i thick this error is the problem ?

yer it dose the same in live mode and it is wifislax4.3 its done from this from the start allways fails i fixed the fail to update today it works but still at the end fails to reconize gtk-theme and dissplays fallback fire fox is spanish and in update menu says outher languages but still never changes is ther a way to remove firefox then install firefox in english as i did remove it but after reinstall would not work and chrome stoped working had to reinstall and start again

this is killa lol