shares

You need to turn off Simple File Sharing.

Take a look at this MS kb Q304040

http://support.microsoft.com/default.aspx?scid=kb;en-us;Q304040

(remove any spaces in URL)

There is even a video to show you how to do this.

Hope this helps

If you have NTFS installed, all you need to do is turn of "simple file sharing"

1) Click Start > My Computer > Tools > Folder Options > View.
2) Scroll to the bottom of the list of advanced settings and un-check Use Simple File Sharing (Recommended).
3) Click OK.

This article should help:

http://www.practicallynetworked.com/sharing/xp_filesharing/index.htm

Good luck!