1. Right Click
2. Create a new folder

3. Rename it as Alt+0160 (i.e. pressing the ALT key type 0160 from ur numpad... nothing else)


{The above character wud seem a space.Now press enter & then}

4. Right click-
5. Properties-
6. customize
7. Change icon
8. Look for a blank icon and select it.

You are done........This folder can't be traced even though someone search all the
files including hidden files ...