[imp] Problem with language

[Fabio Silva]

Hi, lets go, i' have installed imp and horde the latest version, and, its 
was working fine, but, after one week, the default language that was pt_BR 
do not work more, all the configuration is set to pt_BR but.. when i enter 
the imp, the language is in english. If i change to another language, 
dosn't work to, the language is in english.

What can i do ???

Please... help-me...
Thanks!