>i think it disables all auto run feature of xp.
>u put in a cd it will start to check what files are present in it and use what program to run those.
>
>in your case maybe that xp thought that the file was avaiable on a network drive and as a exe should it download it?

I've checked on technet and it appears it will not have any adverse affect on our PC's.

Thanks once again for your solution.

Jason