Inventor: When launching Nastran In-CAD crashes

June 3, 2022 Jeff Arbogast

Issue:

Inventor: When launching Nastran In CAD crashes.

Causes:

  • Need to re-register Windows Presentation Foundation (WPF) for Nastran.
  • Nastran Corrupted Install.

Solution:

•            Need to re-register Windows Presentation Foundation (WPF) for Nastran.

https://knowledge.autodesk.com/search-result/caas/screencast/Main/Details/e53ef30b-88dd-4fd4-8cd4-942d808705de.html

  1. Run CMD to start the Windows Command Prompt.
  2. Navigate to C:\Program Files\Autodesk\Nastran In-CAD <Your Version 1020, 2021, 2022, etc>\System, C\Program Files\Autodesk\Nastran <Your Version 2020, 2021, 2022, etc)\In-CAD\System
  3. Type RegNEiInCAD and select the <Enter> key on your Keyboard. (You will see DLLs re-register.)
  4. Then Type NEPUF and select the <Enter> Key on your Keyboard.
  5. Type Exit and select the <Enter> Key on your Keyboard to exit the command prompt.
  6. Test running Nastran again.

If the test fails after the above. Uninstall/Reinstall Nastran.

 

About the Author

Jeff Arbogast

Manufacturing Solution Center Team Lead<br><br>Jeff is responsible for manufacturing Technical Support for both internal staff and customers. In addition to the daily activities of the support center, he helps write for the National Support Center blog, and has written online classes for the IMAGINiT training on demand site.

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