Hi, Anyone had try refer and run XMLPerfomance sample code downloaded from this link Loading ? I had refer and run this sample code when I am using Xcode 4.0.2 with IOS 4. Everything is fine, nothing problem happens. But when now I refer and run this sample code again using Xcode 4.2 with IOS 5. I cannot run this sample code successfully... the running code process paused in half way ... ... I am not sure whether the problem is comes from me... Is it need change any build setting of Xcode when want run this code? Anyone have any ideas? Or anyone can run this code using Xcode 4.2 with IOS 5? Any ideas and suggestions are appreciated. Thanks a lot.