Autodesk products: Qt platform plugin could be initialized

IT Support
Nate Work
2
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Autodesk products: Qt platform plugin could be initialized

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Nate Work
on
September 26, 2022

This month, one of our Revit-using clients received this error message when trying to install Revit hotfixes (c'mon, Autodesk, let us automate hotfixes already!)

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

I tried the suggestions in these Autodesk support articles, including re-installing Revit, but nothing worked.

Eventually, my Google-fu brought me to this article on the EA support forum, which pointed me to the solution: the "QT_QPA_PLATFORM_PLUGIN_PATH" system variable was missing.

I pointed that system variable to to "C:\Program Files (x86)\Autodesk\Autodesk Desktop App\platforms" as it contained the qwindows.dll file and it was a folder that was product- and version-agnostic.

After adding that system variable and rebooting, which Windows requires to read-in system variables, the user could install the Revit 2021 hotfixes via the Autodesk Desktop App! 🙌

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