password protection

From: nick (audiodragon316@aol.com)
Date: 10/28/02 

From: "nick" <audiodragon316@aol.com>
Date: Mon, 28 Oct 2002 06:46:57 -0800

i need to know if anyone knows how to secure
their entire computer so u can not access any
programs files i have windows 98 any help would
be appreciated