Simulink/Simscape Caught "std::exception" Exception message is: Failed to load bundle #444: C:\Program Files\MATL​AB\R2022b\​bin\win64\​dastudio.d​ll

2022 11 27
3 个回答
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更新时间：2022 12 1
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6 个投票

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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Johannes Wenzel
Johannes Wenzel 2022-11-27
编辑：Johannes Wenzel 2022-11-27
Have the same problem, using a study-license, after restart Mathlab and trying open Simulink again changed into same error with #492
Phil
Phil 2022-11-28
+1. Happened on a fresh install for me. My antivirus blocked the following file when trying to start simulink: libmwxtester_core_mi.dll
Said it was infected with win64:evo-gen [trj]
I have the SAME problem D: and I need to do a homework :( I have uninstalled and reinstalled 3 times!! T_T
Guille
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
Kevin Saad 2022-11-30

2 个投票

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
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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更多回答（2 个）

Stefanie Schwarz
Stefanie Schwarz 2022-11-29
编辑：Stefanie Schwarz 2022-11-29

1 个投票

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
Adam Keyworth
Adam Keyworth 2022-11-29

1 个投票

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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