Install Qt Platform Plugin Windows 10 To check if you have the ability to. Where do I get the correct dependencies from which I Need to put into package. This application failed to start because no Qt platform plugin could be. Im using Windows 10 圆4 This application failed to start because. Available platform plugins are: minimal, offscreen. Available platform plugins are: minimal, offscreen, windows. Maybe it has something to do with the entries under and ? I just took them out of the tutorial which is over 8 months old, so maybe something is outdated here. This application failed to start because it could not find or load the Qt platform plugin windows. I am using a custom package.xml and CMakeLists.txt as follows: Reinstalling the application may fix this problem. This application failed to start because it could not find or load the Qt platform plugin "windows" This tutorial (only that I am using a Widget application instead of a quick app), I finally was able to compile the package, but I cannot run it because I get the following output: c:\dev\ros2>ros2 run plainwidget plainwidget This application failed to start because it could not find or load the Qt platform plugin xcb. I am trying to build a Qt5 Widget application as a ROS2 package with colcon. 19 on Windows 7, it returns errors in the Report window.