Error prompt

When opening designer.exe in pyqt5 tools, the following error is prompted:

designer

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

resolvent

Locate Python 38 \ lib \ site packages \ pyqt5 \ QT \ plugins , which depends on the location where you install python. The complete road strength of this location on my computer is: C: \ users \ focksor \ appdata \ local \ programs \ Python \ Python 38 \ lib \ site packages \ pyqt5 \ QT \ plugins .

Copy the platforms folder under this directory to Python 38 \ lib \ site packages \ pyqt5_ Tools \ QT \ bin , and replace the files in platforms in this directory.

Open designer.exe again, and the problem should have been solved.

reference resources

PyQt5 Designer is not working: This application failed to start because no Qt platform plugin could be initialized

Tips

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