I think, but do not quote me, that XP seems to have application system stuff in different folders. I have not needed to go into XP for a while. :0) I have always thought that MS allowing software to overwrite system files is the leading contributor to "Microsoft OS/Application Instability". It would probably solve a lot more problems if the OS would keep software system files separate from OS system files. For example, in the case of P5: c:windowssystemposer5