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Opening multiple instances of MATLAB causes endless folder access errors

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Whenever I try to open two instances of MATLAB, I run into an endless loop of error windows. For example, if I'm running 2022b and I try to start an instance of 2021b, I get this popup message:
“MATLAB_R2021b” would like to access files in your Documents folder.
When I click OK, I get this popup message:
“MATLAB_R2022b” would like to access files in your Documents folder.
When I click OK, I get this popup message:
“MATLAB_R2021b” would like to access files in your Documents folder.
When I click OK, I get this popup message:
“MATLAB_R2022b” would like to access files in your Documents folder.
When I click OK, I get this popup message:
“MATLAB_R2021b” would like to access files in your Documents folder.
When I click OK, I get this popup message:
“MATLAB_R2022b” would like to access files in your Documents folder.
...and so on.
I'm using a Mac OS Monterey 12.6.1.
Does anyone know how to fix this?
  4 Comments
Karthik Reddy Lyathakula
Karthik Reddy Lyathakula on 24 Mar 2024
Edited: Karthik Reddy Lyathakula on 24 Mar 2024
@MathWorks Support Team Did you have a solution for this? I am also facing the same issue on MAC when two versions of MATLAB are open at the same time.

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Answers (1)

Jan
Jan on 17 Nov 2022
What about allowing Matlab to access your documents folder?
  5 Comments
Jan
Jan on 18 Nov 2022
This sounds very strange. It should be possible to gain access to several applications.
Which folders inside the Documents folder are concerned?

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