I went through this a few months ago. On Tracy's advice I used a program called KillDisk that did the trick. Vista would not let me format the C: drive. Here is a download link:
http://www.freedownloadscenter.com/Utilities/File_Cleanup_Utilities/Active_KillDisk.html>I am about to reinstall XP Pro from Vista. Are there any web pages that can sttep me throuh the process? No one here at the office have ever done this and are not much help.
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>Thanks