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Matlab R2020b freezes when closing figure (Intel macOS Big Sur)

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jzdm el 7 de En. de 2021
Comentada: nody el 24 de Abr. de 2024
Matlab R2020b Update 3 always freezes when closing a figure window containing any axes by using the top left closing button.
The operating system I am using is macOS Big Sur 11.1 on an Intel Mac Book Pro from mid-2017. No startup scripts are run.
On my system this can always be reproduced by opening Matlab 2020b and run the following command from the command window
figure; plot(1:10,1:10)
The figure opens as expected but using the red close button on the top left corner to close the window, Matlab instantly freezes and a spinning ball animation is shown. Matlab must be force quit then.
There is no problem closing the figure using the command
This bug makes working with Matlab completely impossible to me. A similar behaviour could be seen on my system with previous Matlab versions like R2020a on macOS Mojave. But back then the bug was not so easy to reproduce. From time to time when closing a window belonging to Matlab it also froze.
  13 comentarios
Puneet Kumar Jain
Puneet Kumar Jain el 15 de Feb. de 2024
I t worked for me. Many thanks

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Respuestas (22)

orenams el 3 de En. de 2022
I have the same proboem!

Mario Andrés De los Santos
Mario Andrés De los Santos el 3 de En. de 2022
I'm having the same problem :(

Kazuhiro Maeda
Kazuhiro Maeda el 29 de En. de 2022
I wrote a simple script. I hope it helps. I'm not sure this works for M1.
function figure_close_test()
% When you try to close figure windows, MATLAB for Mac sometimes gives you
% the rainbow cursor of death and hangs up. A walkaround is to turn off
% apps that use Mac's Accessibility API. Go to System Preferences >
% Security & Privacy > Privacy > Accessibility and unmark some apps there.
% This script is helpful to identify the apps that cause the problem.
% (1) Run this script. If it finishes without any problems, you don't have
% the "can't close a figure" issue. Lucky you! If your MATLAB hangs up
% or becomes sluggish, go to (2).
% (2) Turn off an app shown in Accessibility and go to (3).
% (3) Run this script again. If you finished it without any problems, then
% it is likely that the app you just turned off interferes with MATLAB.
% So, it should be turned off while you use MATLAB (and ask MathWorks
% to fix this long-standing issue). If you got some problems while
% running this script, go back to (2) and turn off another app.
clear all;
close all;
for i = 1 : 10
fprintf('%d: ',i)
for j = 1 : 10
fprintf('%d ',j)
close all;
fprintf('--- All figures closed\n')
In my case, RescueTime was the one that prevented MATLAB from closing a figure window.
  6 comentarios
Jack Addie
Jack Addie el 11 de Nov. de 2023
this worked brilliantly on my M1 2020 mac. Running R2022b incase thats of any use ot anyone. Cheers!
RossMas el 7 de Feb. de 2024
Hi, could you please explain better all passages? I went to Accessibility, but did no find any apps to unmark. Thank you

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bader el 20 de Dic. de 2023
Make a startup.m file in your matlab path (e.g, User/username/Documents/MATLAB/). And have the following line of code:
set(groot, 'defaultFigureCloseRequestFcn', 'delete(gcf)');
  4 comentarios
nody el 24 de Abr. de 2024
works for macbook air m2 chip thank you!!!💪

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Lakshmanan Swaminathan
Lakshmanan Swaminathan el 17 de Mayo de 2021
I do have the same problem with Matlab_R2020b running on M1 Macbook Pro with macOS Big Sur 11.3.1. Not just closing figures, it freezes in many occasions. And the only way is to force quit and reopen again leading to lose the progress of work.

Radoslav Vargic
Radoslav Vargic el 28 de Jun. de 2021
Matlab 2021a update 3 in BigSur 11.4 has stiil the same problem !!!
  5 comentarios
Walter Roberson
Walter Roberson el 2 de Jul. de 2021
Odd, I have never observed it up to R2021a up to Catalina (I have not used my Big Sur system long enough to have an opinion)
Kelly Kearney
Kelly Kearney el 15 de Jul. de 2021
The bug is contingent on other software, so it may not manifest for all users. I'm pretty sure that in my case, it's coming from one of the many videoconferencing apps that I'm using far more these days than in previous years. Keeping those apps functional is a higher priority than running the latest and greatest Matlab, hence my rolling back.

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Daniel Lau
Daniel Lau el 20 de Jul. de 2021
From this link, I followed the instructions for giving Matlab full disk access. Seems to have solved the problem.
  2 comentarios
Bojeong Seo
Bojeong Seo el 25 de Mzo. de 2022
Unfortunately I did this but, it didn't solve my issue yet..
Bo Liu
Bo Liu el 25 de Ag. de 2022
It didn't work for me, either.

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Chenyang Zhang
Chenyang Zhang el 24 de Mzo. de 2022
Go to Mac - System Preferences - Privacy - Accessibility
Try disabling some App here, and find which one cause the conflict to MATLAB. Then this problem can be avoided. As for my case, I disable the Grammarly and then all things go well.
Hope MATLAB can solve this problem.
  2 comentarios
Preetham Manjunatha
Preetham Manjunatha el 24 de Mzo. de 2022
Yes, I confirm the culprit is Grammarly.
Zhaocheng Wang
Zhaocheng Wang el 24 de Mzo. de 2022
I comfirm the culprit is Grammarly as well.

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Abdul Hannan Raja
Abdul Hannan Raja el 23 de Abr. de 2021
I am having this same problem on M1 Macbook Air with apple silicon chip. I have no idea what is causing this issue. I guess i am not alone anymore.
  3 comentarios
Peko Wang
Peko Wang el 14 de Feb. de 2022
You are not alone. I have the same problem with my M1 Mac Mini; this post is helpful for me. Specifically, there is a bug caused by some conflict between the Grammarly app and Matlab, but every time you manually close the fig, you need to quit Grammarly, and setting Grammarly not enabled on Matlab is also invalid, which is very inconvenient, so I still use the "close" command.
Bojeong Seo
Bojeong Seo el 25 de Mzo. de 2022
@Peko Wang Thank you so much!! I was frastrauted by this issue and just solve the issue by quitting Grammarly app!!

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Tahmid Hassan Talukdar
Tahmid Hassan Talukdar el 27 de Mayo de 2021
Havint this same problem. Hope MathWorks fixes this soon. I'm unable to do any work due to this.

Dmitry Kabanov
Dmitry Kabanov el 15 de Jul. de 2021
I have the same problem on macos Big Sur 11.4 with Matlab R2021a on Intel iMac Pro 2017.
Matlab is unusable as it hangs when I close a figure.

Daniel Lau
Daniel Lau el 20 de Jul. de 2021
I am having this problem too on an Intel Mac Pro 2013 with Matlab R2021a.

Preetham Manjunatha
Preetham Manjunatha el 23 de En. de 2022
Editada: Preetham Manjunatha el 23 de En. de 2022
Same problem macOS Monterey v12.1. MacBook Pro (15-inch, 2018), Processor: 2.9 GHz 6-Core Intel Core i9 and Memory: 32 GB 2400 MHz DDR4.
  2 comentarios
Mario Andrés De los Santos
Mario Andrés De los Santos el 23 de En. de 2022
This means that is not an Apple silicon issue, is a MacOs compatibility problem
Preetham Manjunatha
Preetham Manjunatha el 24 de En. de 2022
Yes, I think so. It is macOS and MATLAB compatability issue.

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Kazuhiro Maeda
Kazuhiro Maeda el 28 de En. de 2022
Same here.
Big Sur 11.6.1
Mac Pro (2019)
After "close all" or clicking the left-top red "x" button of a figure window, a rainbow cursor of death appears and MATLAB hangs up. This happens not always but occasionally. So, it's difficult to find why this happens.
I just read this post and turned off Accessibility Permissions for some apps. I hope this will work. This "Accecibility problem" has been around for years (like this), and I don't understand why MathWorks devs don't fix it.
I think MathWorks should implement a better bug report program (or even telemetery program). If MATLAB hangs up, the bug report dialog doesn't appear. So, they never notice this issue.

Edgar Torres
Edgar Torres el 7 de Feb. de 2022
My Macbook Pro (2019, Intel, Big Sur v.11.6.3) suffers from this issue as well, the "close all" command does work though. Although granting Matlab full disk access to your mac will not work, I already tried it. @MathWorks Support Team really needs to fix this.
  2 comentarios
Hao Chen
Hao Chen el 15 de Feb. de 2022
Do you use Grammarly? After I close Grammarly, it's fixed!
Edgar Torres
Edgar Torres el 15 de Feb. de 2022
oh really? I haven't thought of that, will try it then.

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Richard So
Richard So el 20 de Feb. de 2022
Editada: Richard So el 20 de Feb. de 2022
I found that downgrading to R2019b resolves the issue. Alt-Tab was the culprit on my end, but I was not willing to close the app just for Matlab. If downgrading still does not help, try using even earlier versions and see if it works.

Preetham Manjunatha
Preetham Manjunatha el 19 de Mzo. de 2022
MATLAB R2022a still freezes when the Figure window is closed on macOS 12.3.

Nazyar Mehdishishavan
Nazyar Mehdishishavan el 30 de Mzo. de 2022
just by quiting grammerly, my problem was solved

Carl Werner
Carl Werner el 31 de Mzo. de 2022
Yes - Grammarly and my window manager app, Rectangle make Matlab lose its mind. The window manager Magnet, also does not coexist well with Matlab.

Qi Wang
Qi Wang el 6 de Mayo de 2022
Same issue for me. Problem solved after I disable the "voice control" in the System Preferences. Hope this helps

Sorinel Oprisan
Sorinel Oprisan el 3 de Jun. de 2022
For me it was Grammarly

Pistachio el 21 de Jul. de 2022
Editada: Walter Roberson el 17 de Nov. de 2022
Same problem for me.
In my case, MATLAB often freezes when closing a number of heavy figures.
The cause of this problem is most probably that MATLAB goes on the next closing process before completing current closing process that takes some time due to the large data set included in the figures. In this case, close each figure by “for” followed by a command such as “disp” and “waitbar”. But “1+1” doesn't work. Though “pause(n)” does work, I don't recommend this, because optimum time is not known. I prefer “waitbar” to “disp” because I don't like a mess in command window, but “waitbar” can be replaced by “disp” or something. Accordingly, I solved this issue by following function.
function closeall
h = findobj('Type','Figure');
I0 = numel(h);
if I0==0
elseif I0==1
msg = ['Closing ' num2str(I0) ' figures.'];
f = waitbar(0,msg);
for i0 = 1:I0
waitbar(i0/I0,f, ['Closing ' num2str(I0) ' figures... (' num2str(i0) '/' num2str(I0) ')'])


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