Way to Secure Folder in 2000/XP without using tools & hide it from others

I am going to give you step by step solution for securing your folder in 2k/XP without using any special tools.
Step 1:
choose the folder you want to protect. [Ex: c:myFolder]
Step 2:
Copy the following text
{645FF040-5081-101B-9F08-00AA002F954E}
Step 3:
Right click on your folder [Ex: c:\myFolder] and then click on rename.
when edit text is highlighted, at the end of the text type . and then
paste the above text. for ex:
myFolder.{645FF040-5081-101B-9F08-00AA002F954E}
Now your folder will look like recycle bin and double click on it it will redirect you to recycle bin.
Unlock the folder
1. Go to command prompt
2. Type the following command there.
c:\ ren myFolder.{645FF040-5081-101B-9F08-00AA002F954E} myFolder
Press enter.
3. Now the folder will come back to Normal.