matrix hacker answered 3/6/2008 It Said This Copy Of Windows Must Be Activated With Microsoft Before You Can Log In. How Can I Log In When I Can't Get On The Internet To Do So? This error usually happens when you have a copy of xp (not the original one), and you install sp2 on your computer when online. You must either activate it or re-install you windows xp. Here is how you remove sp2. click me