Guide:

Um...Real execute file LittleDosBitch.exe was assigned hidden and system attribute but I already make it visible, here are two ways to do for this kind of games in the future ! ^_^

It is been a while since last time I had seen this kind of "protection" ! *kuku*

Way to show hidden files:

1- Go to Tools ( hit Alt key if you are using Windows Seven for it is to show ) → Folder Options → View Tab
2- Choose Show hidden files, folders and drives option
3- Uncheck Hide protected operating system files option

Way to make file visible by Command Line:

Copy LittleDosBitch.exe to drive D

1- To open Command Line, go to Stat → Run → cmd
2- Change directory to where hidden files placed by using command D:
3- Type attrib -S -H LittleDosBitch.exe