Make your folders invicible...

1)Right Click on the desktop.Make a new folder

2)Now rename the folder with a space(U have to hold ALT key and type 0160).

3)Now u have a folder with out a name.

4)Right click on the folder>properties>customize. Click on change icon.

5)Scroll a bit, u should find some empty spaces, Click on any one of them.

click ok Thats it,

now u can store ur personal data without any 3rd party tools