LOCK YOUR PRIVATE FILES
When you have any important files or any private file which you don't want to show others the you start searching for softwares which can lock your files with a password but still they can see the files which you have kept in the computer . And for this reason again you use default hiding option of window XP but still the files can be seen .
Using trick you can not only password protect but also you can hide the private folder.
Here starts the trick .
Go to start>All Programs>Accessories>Notepad
