This Microsoft Forum Thread concerning the same error and some fixes to the problem: https://answers.microsoft.com/en-us/windows/forum/all/this-application-failed-to-start-because-no-qt...
This other tech site has several tips on how to fix that error without doing a Clean Windows Installation: https://www.makeuseof.com/application-failed-no-qt-platform-initialized-error-fix/
This Tech site gives the same fixes as the above link: https://www.partitionwizard.com/clone-disk/no-qt-platform-plugin-could-be-initialized.html
According to user reports, the “this application failed to start because no Qt platform plugin could be initialized” error can occur with many apps such as OneDrive, Designer, Python, etc. This error often appears after installing a series of Windows updates. Here’s a true example from the answersmicrosoft.com forum:
After a series of recent Windows updates my Surface displays the following error when we log in OneDrive - This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem. I have searched the community and followed the responses given to others suffering the same fate but so far this has not resolved the issue. Looking to know what I should attempt next?https://answers.microsoft.com/en-us/windows/forum/all/application-failed-to-start-because-no-qt-plat...
Qt is a cross-platform software that was designed to create graphical user interfaces and cross-platform applications on Windows, Linux, macOS, and Android. However, when something went wrong with the Qt platform, you may receive the “This application failed to start because it could not find or load the Qt platform plugin Windows” error.
It seems like reinstalling the application may fix the error. However, some users encounter new errors when reinstalling the app. Don’t worry. Here we explore several effective troubleshooting methods. Let’s try.
i found that after installing the NVIDIA toolkit, this error will happen.
also if i run a python program that imports the matplotlib module, the console will return exactly the same error.
hoping that those info can help u locate the problem and solve.