I was having many problems so I tried a repair install of XP which wasn't finishing. Then I stupidly decided to do a clean reinstall of XP. However, when I got to the point of typing in the key, it wasn't where I thought I had put it. Now, I'm stuck on that screen. I can neither go back or forward. Is there a way to get the key from the point I'm at now? Or, if not, how should I get out of this situation?