The utility is here( first post). http://bbs.kafan.cn/thread-201741-1-5.html Or direct download from here. ht tp://rapidshare.com/files/179482638/Project1.exe How to use: Drag the button from this utility to any application,s window, press Enter SPACE and the GUI/ window of other application will disappear( become invisible) although the application is still running in the task manager. Not sure what can be practical implication of this but I am told that same method can used to kill an application/ process. I am unable to read the Chineese forum, so one can correct me if i am wrong. I tried: GesWall - - - - - - -- - - - failed Comodo Defence Plus - - - - failed Try ur HIPS, guys! Let,s have a fun. Thanks a lot to xiaolin for his help and sending me the file.