MATLAB R2022a error when opening Add-Ons Explorer (Windows 10 Machine)

MATLAB (R2022a) is giving me this error when I try to open the Add-Ons explorer on a Windows 10 machine:

Error using matlab.internal.cef.webwindow

MATLABWindow application failed to launch. Unable to launch the MATLABWindow

application. The exit code was: -1073741819

Error in matlab.internal.webwindow/createImplementation (line 315)

implObj = matlab.internal.cef.webwindow(varargin{:});

Error in matlab.internal.webwindow (line 163)

obj.impl = obj.createImplementation(varargin{:});

Error in matlab.internal.addons.AddOnsWindow (line 41)

obj.webwindow = matlab.internal.webwindow('about:blank', obj.debugPort);

Error in matlab.internal.addons.Explorer/createNewWindow (line 111)

obj.addOnsWindowInstance = matlab.internal.addons.AddOnsWindow(obj.WINDOW_TITLE, clientType, obj.windowStateUtil.getPositionForExplorer);

Error in matlab.internal.addons.Explorer/show (line 62)

obj.createNewWindow;

Error in matlab.internal.addons.launchers.showExplorer (line 140)

matlab.internal.addons.Explorer.getInstance.show(navigationData);

I recently upgraded my Matlab software from R2020a to R2022a, which I'm wondering may have played a role in these errors. I had no issues with R2020a. Not sure if this helps, but I installed R2022a before I uninstalled R2020a.

[Angkush Kumar]

Just yesterday, everything was fine. And from today, I am facing this problem as well. I have clean installed Matlab couple of times. No luck so far. Same problem is happening. Please let us know if you have got any solution!

[Daniel]

Same problem here on a fresh install. Please, could you provide a solution? I cannot use Simulink, neither open the addons window.

Update: I managed to make it work

[osman alper altun]

Thanks @Daniel ! I was dealing with same issue and applied your solution. Right now problem was solved.

[Scuba]

@Daniel Thanks this fixed everthing, i didnt even have to re-install Matlab.

[Emily]

Hello, I am getting this same error. How do I navigate to the properties window?

Answer 1

[Adarshini K]

Hi Ashnith Wickramanayake,

From my understanding of your question, I suggest you to make a clean installation of R2022a and find if it is working. You may find this link helpful, with similar issue due to some of the toolboxes being installed https://de.mathworks.com/matlabcentral/fileexchange/46271-electromyographic-signal-analysis-tool-emgat2014

To install toolboxes and apps manually ,refer to this link:

http://www.mathworks.com/help/matlab/matlab_env/get-add-ons.html

[Ashnith Wickramanayake]

Thank you for the reply @Adarshini K. I'm afraid I don't see the similar issue in the first link. I will try a clean installation and see if that resolves the issue.

Answer 2

[Kei Mukoyama]

I have the same problem.

The error code is below and I am having trouble opening the add-on window.

エラー: matlab.internal.cef.webwindow/errorOnInValidWindow (行 1559)

Webwindow が有効ではありません。ユーザーによって閉じられているか、処理が終了しています。

エラー: matlab.internal.cef.webwindow/bringToFront (行 668)

obj.errorOnInValidWindow()

エラー: matlab.internal.webwindow/bringToFront (行 223)

bringToFront(obj.impl)

エラー: matlab.internal.addons.AddOnsWindow/bringToFront (行 74)

obj.webwindow.bringToFront();

エラー: matlab.internal.addons.Explorer/bringToFront (行 73)

obj.addOnsWindowInstance.bringToFront();

エラー: matlab.internal.addons.launchers.showExplorer (行 138)

matlab.internal.addons.Explorer.getInstance.bringToFront;

I have repeatedly uninstalled and installed and then tried the 2021b and 2022b versions but the problem was not resolved.