Backing out the FE portion of my changes to try and clear up the orange.

suite/common/pref/nsPrefWindow.js

@@ -254,26 +254,7 @@ nsPrefWindow.prototype =
                   }
               }
               }
-              try 
-                {
-                  this.pref.savePrefFile(null);
-                }
-              catch (e)
-                {
-                  try
-                    {
-                      var prefUtilBundle = document.getElementById("bundle_prefutilities");
-                      var alertText = prefUtilBundle.getString("prefSaveFailedAlert");
-                      var titleText = prefUtilBundle.getString("prefSaveFailedTitle");
-                      var promptService = Components.classes["@mozilla.org/embedcomp/prompt-service;1"]
-                                                    .getService(Components.interfaces.nsIPromptService);
-                      promptService.alert(window, titleText, alertText);
-                    }
-                  catch (e)
-                    {
-                      dump(e + "\n");
-                    }
-                }
+              this.pref.savePrefFile(null);
           },                        
 
       switchPage:

suite/common/pref/pref.xul

@@ -60,8 +60,6 @@
   
   </script>        
         
-  <stringbundle id="bundle_prefutilities"
-               src="chrome://communicator/locale/pref/prefutilities.properties"/>
   <script type="application/x-javascript" src="chrome://global/content/nsWidgetStateManager.js"/>
   <script type="application/x-javascript" src="chrome://communicator/content/pref/nsPrefWindow.js"/>
   <script type="application/x-javascript" src="chrome://communicator/content/pref/pref-help.js"/>

suite/locales/en-US/chrome/common/pref/prefutilities.properties

@@ -15,5 +15,3 @@ oldTheme=You have selected a theme which was designed for an earlier version of
 languageAlert=Please restart %brand% to use the new preferred language or region setting.
 languageTitle=Change Language
 
-prefSaveFailedAlert=Failed to save the preferences file. Any preference changes will be lost at the end of this session.
-prefSaveFailedTitle=Save Error