Thank you for your answers. HelloWorldExample: you are right! :relieved: If i switched into Release, it works.![Error_Info_15_20_12_2017_release|644x500](upload://ofxj2ZVKIB8FuNtonQBsCqMzbVG.PNG) --- [Visit Topic](https://discourse.ros.org/t/ros2-application-development-in-visual-studio-2017-or-2015-win-10-x64/3464/8) or reply to this email to respond. If you do not want to receive messages from ros-users please use the unsubscribe link below. If you use the one above, you will stop all of ros-users from receiving updates. ______________________________________________________________________________ ros-users mailing list ros-users@lists.ros.org http://lists.ros.org/mailman/listinfo/ros-users Unsubscribe: