Matlab R2021a Update 5 - Windows 10 - app designer does not open.

Question

Ben Abbott 2021-8-30

0
链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1443044-matlab-r2021a-update-5-windows-10-app-designer-does-not-open

回答： Rishav 2024-4-16

I'll itemize my install experience

Downloaded "matlab_R2021a_win64"
Run elevated: "matlab_R2021a_win64" elevated
Exited without error, but did not run setup.exe
Run elevated: "_temp_matlab_R2021a_win64\setup.exe"
Instalation completed without error.
Run Matlab

At the command line, when I enter "appdesigner", nothing happens. The command prompt returns as expected. To gain a bit more information ...

Open windows "Task Manager"
Task manager indicates there are 5 "Java Chromium Embedded Framework (JCEF) Helper" processes running as well as "Matlab R2021a"
Type "appdesigner" at the matlab command prompt.
Four more "Matlab R2021a" processes s show up momentarilly and disappear after 1-2 sec. Their icons are identical to the icons for the Java processes (i.e. not the orange Matlab peaks icon).

1 个评论
显示 -1更早的评论隐藏 -1更早的评论

Ben Abbott 2021-8-30

在 MATLAB Online 中打开

I tried installing R2020b. When "appdesigner" is entered at the command prompt, I encounter the error below.

>> appdesigner
Warning: Channel is being deleted while still open. 
> In asyncio/Channel/delete (line 168)
In matlab.internal.cef.webwindow (line 153)
In matlab.internal/webwindow/createImplementation (line 295)
In matlab.internal/webwindow (line 147)
In appdesservices.internal.browser/WebWindowController/startBrowser (line 79)
In appdesservices.internal.browser/AbstractBrowserController/start (line 122)
In appdesservices.internal.peermodel/BrowserControllerFactory/launch (line 77)
In appdesigner.internal.application/AppDesignerWindowController/startBrowser (line 75)
In appdesigner.internal.application/AppDesignEnvironment/startAppDesigner (line 103)
In appdesigner (line 28) 
Error using appdesservices.internal.browser.WebWindowController/startBrowser (line 107)
Unable to start App Designer due to an internal error.
 MATLABWindow application failed to launch. Assertion violation
Error in appdesservices.internal.browser.AbstractBrowserController/start (line 122)
            obj.startBrowser(obj.StartBrowserArguments);
Error in appdesservices.internal.peermodel.BrowserControllerFactory/launch (line 77)
            browserController.start();
Error in appdesigner.internal.application.AppDesignerWindowController/startBrowser (line 75)
                obj.BrowserController = browserControllerFactory.launch(initialBrowserState);
Error in appdesigner.internal.application.AppDesignEnvironment/startAppDesigner (line 103)
                obj.AppDesignerWindowController.startBrowser(obj.BrowserControllerFactory);
Error in appdesigner (line 28)
    appDesignEnvironment.startAppDesigner();

请先登录，再进行评论。

请先登录，再回答此问题。

Answer 1

Rishav 2024-4-16

0
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1443044-matlab-r2021a-update-5-windows-10-app-designer-does-not-open#answer_1442056

Hi Ben,

Please try to regenerate the MATLAB preferences directory and then try launching App Designer again as normal. Please refer to the MATLAB answer below for the steps to regenerate the MATLAB preferences directory:

https://www.mathworks.com/matlabcentral/answers/99625-how-do-i-regenerate-my-matlab-preferences