解决This application failed to start because no Qt platform plugin could be initialized. Reinstalling

解决This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.

Windows pyqt打开designer.exe报错

解决This application failed to start because no Qt platform plugin could be initialized. Reinstalling_第1张图片

报错信息

This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.

解决This application failed to start because no Qt platform plugin could be initialized. Reinstalling_第2张图片

解决办法

替换两个文件
解决This application failed to start because no Qt platform plugin could be initialized. Reinstalling_第3张图片

cd  ..\Python\Lib\site-packages\pyqt5_tools\Qt\plugins\platforms 

复制上图中的两个文件到

cd  ..\Python\Lib\site-packages\pyqt5_tools\Qt\bin\platforms

将将原有文件重命名 - ,放置新文件
解决This application failed to start because no Qt platform plugin could be initialized. Reinstalling_第4张图片

再次打开designer.exe,问题决了

解决This application failed to start because no Qt platform plugin could be initialized. Reinstalling_第5张图片

安装pyqt5

pip install PyQt5 -i https://pypi.douban.com/simple

安装qt工具

pip install PyQt5-tools -i https://pypi.douban.com/simple

欢迎大家交流学习,任何问题都可以留言

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