how about running it before create a new thread? Looking for assets in "/opt/share/themes/base" Looking for assets in "/opt/share/themes/blanco" file:///opt/flappybird/qml/FlappyBird/main.qml:6:5: Type MainPage unavailable MainPage { ^ file:///opt/flappybird/qml/FlappyBird/MainPage.qml:4:1: module "QtMultimediaKit" is not installed import QtMultimediaKit 1.1 ^ Found SGX/MBX driver, enabling FullClearOnEveryFrame Found v1.3 driver, enabling brokenFBOReadBack blackscreen