Simulink/Simscape Caught "std::exception" Exception message is: Failed to load bundle #444: C:\Program Files\MATLAB\R2022b\bin\win64\dastudio.dll

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Kevin Saad 2022-11-27

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https://ww2.mathworks.cn/matlabcentral/answers/1864563-simulink-simscape-caught-std-exception-exception-message-is-failed-to-load-bundle-444-c-progr

评论： Rodrigo 2022-12-1

采纳的回答： Kevin Saad

Simulink and simscape used to work fine, until yesterday it started giving me an error:

Caught "std::exception" Exception message is:

Failed to load bundle #444: C:\Program Files\MATLAB\R2022b\bin\win64\dastudio.dll

I tried uninstalling and reinstallilng matlab, i tried deleting dastudio.dll then readding it, yet nothing worked.

What should i do to fix this error?

Thanks

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Rodrigo 2022-11-29

Same, also the antivirus blocked the file

Guille 2022-11-29

编辑：Guille 2022-11-29

The file: MATLAB\R2022b\bin\win64\dastudio.dlll must be added to the antivirus exceptions. It works perfect!!!

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采纳的回答

Kevin Saad 2022-11-30

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https://ww2.mathworks.cn/matlabcentral/answers/1864563-simulink-simscape-caught-std-exception-exception-message-is-failed-to-load-bundle-444-c-progr#answer_1116243

Apparently this error was due to a false positive quarintine from Avast Anti Virus, or another anti virus software.

In orderto fix this problem, open your anti virus software and remove the corresponding .dll file from the quarantine list and run simulink again. No need to uninstall and reinstall Matlab.

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Rodrigo 2022-12-1

In my case, for some reason the antivirus cannot restore the file, it is necesary to uninnstall and reinstall after desactivating the antivirus

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Stefanie Schwarz 2022-11-29

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https://ww2.mathworks.cn/matlabcentral/answers/1864563-simulink-simscape-caught-std-exception-exception-message-is-failed-to-load-bundle-444-c-progr#answer_1115198

编辑：Stefanie Schwarz 2022-11-29

Hi everyone,

We are aware of this issue at MathWorks Support. It may be caused by Avast & AVG antivirus software putting "libmwxtester_core_mi.dll" and/or "dastudio.dll" in quarantine. It is safe to assume that this is a false positive. See the following post for more info:

https://www.mathworks.com/matlabcentral/answers/1866448

HTH, Stefanie

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Adam Keyworth 2022-11-29

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https://ww2.mathworks.cn/matlabcentral/answers/1864563-simulink-simscape-caught-std-exception-exception-message-is-failed-to-load-bundle-444-c-progr#answer_1115263

I solved this issue by disabling AVG, fully uninstalling MATLAB (making sure to delete all remaining files from Program Files), then re-installing MATLAB while AVG was still disabled. Simulink now works!

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