The last symptom on this link is yours. There are a few suggestions from Microsoft for a resolution.
http://support.microsoft.com/default.aspx?scid=kb;en-us;314477&Product=winxp
My dell demesion 2400 windows xp pro was working this am but when I got home this evening the screen was froze with nothing on it. I rebooted and the only thing that came up was Windows root > \ system 32 \hal.dll. missing. Please reinstall a copy of the file. Where can I get this file and how can I intall it since the comptuer is not working? Thank you for any info you can help me with.Don

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