I set <set step on> But I could not find what file already exists and why I can just overwrite it in projet debug output as below ================================================== Analyzing: Module: CLICK Build Project: File receitas Build Project: File tn_misc720 Build Project: File quadro001 Build Project: File green_wallpaper Build Project: File fundo_64 Build Project: File logofrancis Build Project: Visual Class Library wizembss Build Project: Visual Class Library wizstyle ************ this is the last line, where project rebuilding stops =======================================================