I cannot run the Add-Ons application in MATLAB R2022B

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Almudena Buelta Méndez
Almudena Buelta Méndez le 20 Déc 2022
Commenté : Walter Roberson le 28 Sep 2023
I am using MATLAB R2022b in Windows 10. When I try to open the Add-Ons application, I get the following errors:
Error using matlab.internal.cef.webwindow/errorOnInValidWindow
Webwindow is not valid. It was closed by user or the process was terminated.
Error in matlab.internal.cef.webwindow/bringToFront (line 673)
obj.errorOnInValidWindow()
Error in matlab.internal.webwindow/bringToFront (line 225)
bringToFront(obj.impl)
Error in matlab.internal.addons.AddOnsWindow/bringToFront (line 72)
obj.webwindow.bringToFront();
Error in matlab.internal.addons.Explorer/bringToFront (line 73)
obj.addOnsWindowInstance.bringToFront();
Error in matlab.internal.addons.launchers.showExplorer (line 138)
matlab.internal.addons.Explorer.getInstance.bringToFront;
I have already reinstalled Matlab several times. I also have regenerated my MATLAB preferences.
None solved my problem. What can I do?
Thank you.

Réponse acceptée

Stefanie Schwarz
Stefanie Schwarz le 13 Avr 2023
It could be that security software on your PC is blocking MATLAB from opening our web-based features like Add-On Explorer. In the past couple of months we've received dozens of reports from Trend Micro users being affected by this. This is captured in the link below (the instructions should work in a similar way for other security software):

Plus de réponses (1)

Suvansh Arora
Suvansh Arora le 23 Déc 2022
In order to resolve this issue, please follow the MATLAB answers article mentioned below:
If the MATLAB answers article mentioned above doesn’t resolve your issue, try the following method to change the search path:
Before modifying the search path, it is important to take a backup of your 'pathdef.m' file, which can be located by using the command:
>> which -all pathdef
Before proceeding, ensure that you make a safe copy of the file by copying it to a folder outside of your MATLAB path.
After taking the backup, please execute the following commands in the MATLAB Command Window to restore the default MATLAB search path and rehash the toolbox cache:
>> restoredefaultpath
>> rehash toolboxcache
After this step, please use MATLAB/Simulink to see if the issue occurs again. If the issue is resolved, then you may want to save the new MATLAB search path by executing the following command:
>> savepath
I hope the above information helps you.
  3 commentaires
Suvansh Arora
Suvansh Arora le 26 Déc 2022
Hello Almudena,
As this would require further investigation and probably a remote session, I would request you to reach out to the MathWorks Technical Support through this link: contact_us
Walter Roberson
Walter Roberson le 28 Sep 2023
not working

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