0 Set control access to your personel folder

suppose you have a folder secret on desktop.

To control access goto start->run
type cmd in run (enter)
type this command in cmd.

cd desktop (enter)
cacls secret /E /P Everyone:N (enter)

now no body can not open your folder even copy and delete.

if you want to access your folder then type this command in cmd.

cd desktop (enter)
cacls secret /E /P Everyone:F (enter)