Don't try to create extensionoptions for extensions that don't exist.

chrome/browser/resources/extensions/extension_list.js

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 <include src="extension_error.js">
 
 /**
  * The type of the extension data object. The definition is based on
  * chrome/browser/ui/webui/extensions/extension_basic_info.cc
  * and
@@ skipping 508 matching lines @@
      *     be displayed.
      * @param {boolean} scroll Whether the page should scroll to the extension
      * @private
      */
     showEmbeddedExtensionOptions_: function(extensionId, scroll) {
       if (this.optionsShown_)
         return;
 
       // Get the extension from the given id.
       var extension = this.data_.extensions.filter(function(extension) {
-        return extension.id == extensionId;
+        return extension.enabled && extension.id == extensionId;
       })[0];
 
       if (!extension)
         return;
 
       if (scroll)
         this.scrollToNode_(extensionId);
       // Add the options query string. Corner case: the 'options' query string
       // will clobber the 'id' query string if the options link is clicked when
       // 'id' is in the URL, or if both query strings are in the URL.
       uber.replaceState({}, '?options=' + extensionId);
 
       extensions.ExtensionOptionsOverlay.getInstance().
           setExtensionAndShowOverlay(extensionId,
                                      extension.name,
                                      extension.icon);
 
       this.optionsShown_ = true;
       $('overlay').addEventListener('cancelOverlay', function() {
         this.optionsShown_ = false;
       }.bind(this));
     },
   };
 
   return {
     ExtensionsList: ExtensionsList
   };
 });