problem fixed : # ldd /usr/bin/panorama . . . . libQtGui.so.4 => /opt/qt4-maemo5/lib/libQtGui.so.4 libQtCore.so.4 => /opt/qt4-maemo5/lib/libQtCore.so.4 . . . . . # rm /opt/qt4-maemo5/lib/beidqt/libQtGui.so.4 # rm /opt/qt4-maemo5/lib/beidqt/libQtCore.so.4 resolved my issue.