Why do I receive a "Permission denied" error when I try to save my Simulink model files in Simulink 7.0 (R2007b)?

Kashani asked: 2021-09-07 permission. , denied , bak , mdl

Troubleshoot Simulink Permission Denied errors in Simulink 7.0 R2007b). Find solutions for saving your model files regain access. Read more now

Expert Answer

Neeta Dsouza answered . 2025-07-30 06:36:50

If the option to show M and MDL-file descriptions is turned on in the current directory section of the user’s preferences, the MATLAB desktop will temporarily lock the files in the current directory to obtain these file descriptions. If the save event for the model file occurs at the same time, then the user can receive the permission denied error.

To workaround this issue, please try unchecking the option 'Show M and MDL file Descriptions' in MATLAB File menu -> Preferences -> Current Directory.

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Frequently Asked Questions

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