Pango-warning:**SetGraphicsMode () failed

[ferri_marllo gva es]

Hi!!!
I'm trying to compile a text editor program, that i want it to open a file in
tha screen because i want to edit it.
I've written using Glade,and everything works...the compilation and execution,
but after it when i touch any button of my created window it appears a msdos
screen with his error:
Pango-warning:**SetGraphicsMode () failed
and it doesn´t work
please...can you help me??
thanks