When i run skype from terminal this message appear, but skype run successfully. I have checked that unity-gtk-module is installed in my system and required lib files are available but in 64 environment. There is not package named unity-gtk-module:i386. I have created a soft link of appropriate lib to /usr/lib but skype return ELF Class error (not 32bit lib). I also set GTK_PATH but still not working. How to install 32bit version of library for unity-gtk-module?