windows memory diagnostics tool


Beta member
Hey everyone. I recently had Vista Beta installed on my computer. I tried to remove it with a progam i no longer remember the name of. It told me to make a bootable cd once it was uninstalled. So i did, little did i know the cd did not burn right. Now when i turn on my computer i get a windows memory diagnostics tool screen where it will contunue to scan for ever. I cannot get in to safe mode or anything. Is there anyway i can fix this and reload XP on my computer. I am willing to do anything reformating or anything i don't care. I need help fast because the computer im having a problem with i currently use for college. Any help would be amazing. if you dont want to post on here you can add me on msn.
Please and thanks.