Application failed to start because it could not find or load the QT platform plugin “windows”

本文解决了程序运行中出现的qwindows.dll文件缺失问题。详细介绍了正确的dll文件放置位置及路径配置方法,并给出了一段在main()函数中添加的代码示例。

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The error is caused because the program can't find qwindows.dll

qwindows.dll has to be in a folder named platforms so that the path from your executable to the dll is platforms/qwindows.dll

Whereas this wasn't enough in my case. I had also to add following line at the beginning of my main()

QCoreApplication::addLibraryPath("./");

Then everything worked.


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