Here is the reply I received about the virus cirulating in our Digest from Mary Landesman, an anti-virus professional. Her Antivirus bulletin address is posted below her name. Thomas W. Horton Glen Mills, PA It is the BadTrans.b virus. Details are at http://antivirus.about.com. After reading the description of hte virus, you will note that _ is placed there by the virus. Regards, Mary Landesman Antivirus.About.com Guide