Download Qt Platform Plugin Windows
To detect which dll are required by your executable there is an useful tool called. Download midi pop indonesia. Using this tool you'll can get a tree list of all dependencies of your executable. However the main subject of this post is related to a specific error showing up if no all dependencies are provided. If we check a standard executable generated using basic Qt features we'll have a list of dll dependencies very similar to the following: Qt5Core.dll Qt5Gui.dll Qt5Widgets.dll libGLESv2.dll icudt51.dll icuin51.dll icuuc51.dll.
Googling around it seem the cause of this error is the missing windows plugin as the message suggest. For fix this error is necessary to create a new folder called platforms in the same position where are the executable and all other dll and put inside this folder the qwindows.dll library.
Feb 01, 2019 A cross-platform application framework for desktop and embedded development, providing the tools you need to create compelling applications. DOWNLOAD Qt 5.12.1 for Windows. Top alternatives.
Now the program should run correctly but if the same message above show up again is very probably there is one additional dependency to provide. Dependency Walker tool showed us all the dependencies of the executable but in this case the missing dll is required by the qwindows.dll plugin just added and loaded by our application. Since the plugin doesn't find the required dll refuse to load and this return the error in topic that is a bit too much generic for help us. Anyway the missing dll that you need to put together with all other is the following: libEGL.dll.