add:  var catMan = Cc["@mozilla.org/categorymanager;1"].getService(Ci.nsICategoryManager); catMan.deleteCategoryEntry( "app-startup", "service," + CONTRACT_ID, true); 
context:   unregisterSelf: function(aCompMgr, aLocation, aType) {    aCompMgr.QueryInterface(Ci.nsIComponentRegistrar);    aCompMgr.unregisterFactoryLocation(CID, aLocation);  },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/c1a2bf4b4b0519ad5fc38eb3b83bd70164da652c/nsSessionStore.js/buggy/browser/components/sessionstore/src/nsSessionStore.js