rem: if (helperAppLoader) 
add: if (helperAppLoader && !completed) 
context: function onCancel (){   // Cancel app launcher.   if (helperAppLoader)   {     try     {       helperAppLoader.Cancel();     }     catch( exception ) {}   }  // Close up dialog by returning true.  return true;}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/8402ef14b6c1c2a3b0f7a9a34f85a0f92d3a4f1d/helperAppDldProgress.js/buggy/xpfe/components/ucth/resources/helperAppDldProgress.js