when I execute the command appdesigner in the command window of matlab to properly open app designer, I received this error message:

Warning: The following error was caught while executing 'appdesservices.internal.browser.AbstractBrowserController' class destructor: Undefined function 'isvalid' for input arguments of type 'double'.
Error in <br>appdesservices.internal.browser.WebWindowController/closeBrowser (line 120) if isvalid(obj.WebWindow) && obj.WebWindow.isWindowValid
Error in <br>appdesservices.internal.browser.AbstractBrowserController/delete (line 51) obj.closeBrowser();
Error in <br>appdesservices.internal.browser.WebWindowController (line 21) function obj = WebWindowController(varargin)
Error in <br>appdesservices.internal.peermodel.BrowserControllerFactory/launchWebwindow (line 81) browserController = appdesservices.internal.browser.WebWindowController(varargin{:});
Error in <br>appdesservices.internal.peermodel.BrowserControllerFactory/launch (line 73) browserController = obj.CallbackMethod(varargin{:});
Error in <br>appdesigner.internal.application.AppDesignerWindowController/startBrowser (line 89) obj.BrowserController = obj.BrowserControllerFactory.launch(initialBrowserState);
Error in <br>appdesigner.internal.application.AppDesignEnvironment/startAppDesigner (line 104) obj.AppDesignerWindowController.startBrowser(inputArguments{:});
Error in <br>appdesigner (line 69) appDesignEvironment.startAppDesigner(); > In appdesservices.internal.browser.WebWindowController (line 21) In appdesservices.internal.peermodel.BrowserControllerFactory/launchWebwindow (line 81) In appdesservices.internal.peermodel.BrowserControllerFactory/launch (line 73) In appdesigner.internal.application.AppDesignerWindowController/startBrowser (line 89) In appdesigner.internal.application.AppDesignEnvironment/startAppDesigner (line 104) In appdesigner (line 69) Error using matlab.internal.webwindow (line 284) MATLABWindow application failed to launch. Unable to launch the MATLABWindow application
Error in <br>appdesservices.internal.browser.WebWindowController/startBrowser (line 63) webWindow = matlab.internal.webwindow(browserOptions.URL,...
Error in  <br>appdesservices.internal.browser.AbstractBrowserController (line 47) obj.startBrowser(browserOptionsStruct);
Error in <br>appdesservices.internal.browser.WebWindowController (line 23) obj = obj@appdesservices.internal.browser.AbstractBrowserController(varargin{:});
Error in 
appdesservices.internal.peermodel.BrowserControllerFactory/launchWebwindow (line 81) browserController = appdesservices.internal.browser.WebWindowController(varargin{:});
Error in <br>appdesservices.internal.peermodel.BrowserControllerFactory/launch (line 73) browserController = obj.CallbackMethod(varargin{:});
Error in  appdesigner.internal.application.AppDesignerWindowController/startBrowser (line 89) obj.BrowserController = obj.BrowserControllerFactory.launch(initialBrowserState);
Error in <br>appdesigner.internal.application.AppDesignEnvironment/startAppDesigner (line 104) obj.AppDesignerWindowController.startBrowser(inputArguments{:});
Error in <br>appdesigner (line 69) appDesignEvironment.startAppDesigner();

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