MySpace itself is not a software program, it is just a website you visit via Internet Explorer, Firefox and other web browsers. But MySpace does leave tracks/junk on your computer when you visit it. It is called Cookies and Cache. You can fully delete all MySpace cookies and cache by following this video tutorial -->
Learn How-To Delete Internet Explorer and Firefox History, Cookies, Passwords and CacheIn case you installed the MySpace Messenger you can uninstall it using the video tutorial below.
Learn How-To Uninstall Software Programs in Windows Vista