All, The sulfnbk.exe email is a hoax.  The file that is mentioned in the hoax, however, Sulfnbk.exe, is a Microsoft Windows 95/98/Me utility that is used to restore long file names.  If you have deleted it, you may wish to restore it.            See http://www.symantec.com/avcenter/venc/data/sulfnbk.exe.warning.html Lorien Gunsallus