"Failed to start .NET" when launching AutoCAD LT 2025

Autodesk Support

Feb 28, 2025

Products and versions covered

Issue:

Users reported that when attempting to launch AutoCAD LT 2025, the program crashes with an error message "Failed to start .NET" specifically after updating the application.

Fail to start .NET

Solution:

Perform a clean uninstall and reinstall of the software, see How to perform a Clean Uninstall of Autodesk products on Windows

Products:

AutoCAD LT;

Versions:

2025;

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