rem: var pageTitle = bundle.getString("homePageMigrationPageTitle"); var pageDesc = bundle.getString("homePageMigrationDescription"); 
add:   try { var pageTitle = bundle.getString("homePageMigrationPageTitle"); var pageDesc = bundle.getString("homePageMigrationDescription"); var mainStr = bundle.getString("homePageSingleStartMain"); } catch (e) { this._wiz.advance(); return; } 
context:   onHomePageMigrationPageShow: function ()  {    // only want this on the first run    if (!this._autoMigrate) {      this._wiz.advance();      return;    }    var bundle = document.getElementById("brandBundle");    var pageTitle = bundle.getString("homePageMigrationPageTitle");    var pageDesc = bundle.getString("homePageMigrationDescription");    document.getElementById("homePageImport").setAttribute("label", pageTitle);    document.getElementById("homePageImportDesc").setAttribute("value", pageDesc);    this._wiz._adjustWizardHeader();    var singleStart = document.getElementById("homePageSingleStart");    var mainStr = bundle.getString("homePageSingleStartMain");    singleStart.setAttribute("label", mainStr);    singleStart.setAttribute("value", "DEFAULT");    var source = null;    switch (this._source) {      case "ie":      case "macie":        source = "sourceNameIE";        break;      case "opera":        source = "sourceNameOpera";        break;      case "dogbert":        source = "sourceNameDogbert";        break;      case "safari":        source = "sourceNameSafari";        break;      case "seamonkey":        source = "sourceNameSeamonkey";        break;    }    // semi-wallpaper for crash when multiple profiles exist, since we haven't initialized mSourceProfile in places    this._migrator.getMigrateData(this._selectedProfile, this._autoMigrate);    var oldHomePageURL = this._migrator.sourceHomePageURL;    if (oldHomePageURL && source) {      var bundle2 = document.getElementById("bundle");      var appName = bundle2.getString(source);      var oldHomePageLabel = bundle.getFormattedString("homePageImport",                                                       [appName]);      var oldHomePage = document.getElementById("oldHomePage");      oldHomePage.setAttribute("label", oldHomePageLabel);      oldHomePage.setAttribute("value", oldHomePageURL);      oldHomePage.removeAttribute("hidden");    }    else {      // if we don't have at least two options, just advance      this._wiz.advance();    }  },
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/8395/24acd794f7c2dc0aed532281dbd550851070052a/migration.js/buggy/browser/components/migration/content/migration.js