This might help.

Edit:

Just in case that link ever breaks in the future, here's what the accepted answer was, with the links to the Knowledge Base articles:


HOW TO: Set, View, Change, or Remove File and Folder Permissions in Windows XP
http://support.microsoft.com/default.aspx?scid=kb;en-us;308418

HOW TO: Take Ownership of a File or Folder in Windows XP
http://support.microsoft.com/default.aspx?scid=kb;en-us;308421&sd=tech