rem: prompter.showUpdateHistory(); 
add: prompter.showUpdateHistory(window); 
context:   showUpdates: function ()  {    var prompter = Components.classes["@mozilla.org/updates/update-prompt;1"]                             .createInstance(Components.interfaces.nsIUpdatePrompt);    prompter.showUpdateHistory();    },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/69e934fc4056f65352796ba933fb61bf185741d7/advanced.js/buggy/mail/components/preferences/advanced.js