Yes, you deleted something you shouldn't have. THIS IS A HOAX. The file in question is a Windows utility. See the article at the following website. <A HREF="http://www.symantec.com/avcenter/venc/data/sulfnbk.exe.warning.html">SARC Write-up - SULFNBK.EXE Warning</A> http://www.symantec.com/avcenter/venc/data/sulfnbk.exe.warning.html Debra