GET http://localhost/App/App/model/app/CheckTreeNode.js?_dc=1396967410158 404 (Not Found) all-classes.js:10841
GET http://localhost/App/App/store/app/UserPreferenceNodes.js?_dc=1396967410159 404 (Not Found) all-classes.js:10841
GET http://localhost/App/app/controller/ViewportAdmin.js?_dc=1396967410177 404 (Not Found) all-classes.js:10841

...

Uncaught Error: [Ext.Loader] Failed loading 'App/model/app/CheckTreeNode.js', please verify that the file exists all-classes.js:11259
Uncaught Error: [Ext.Loader] Failed loading 'App/store/app/UserPreferenceNodes.js', please verify that the file exists all-classes.js:11259
Uncaught Error: [Ext.Loader] Failed loading 'app/controller/ViewportAdmin.js', please verify that the file exists

extend: 'App.Application',
requires: [
    'App.store.app.UserPreferences',
    'App.view.ViewportAdmin'
],
autoCreateViewport: false,
launch: function () {

    Ext.StoreManager.lookup('App.store.app.UserPreferences').on('load', function () {

        if (window.location.href.indexOf('/App/index.aspx?admin=true') > -1) {
            Ext.create('App.view.ViewportAdmin');
        }
        else if (window.location.href.indexOf('/App/index.aspx') > -1) {
            Ext.create('App.view.Viewport');
        }
    });


}

script.src = url;
(Loader.documentHead || document.getElementsByTagName('head')[0]).appendChild(script);