Thanks to those who responded. I am temporarily not using MPLAB on that computer anyway, so it isn't affecting me much. I will make more attempts to study the problem when I have more time. I don't feel that it is a virus because the appended info is text and it is configuration info about my project. Also, it is only happening in MPLAB. In addition, that computer has no modem or other connection to the outside world. Thanks again, Sean | | Sean Breheny | Amateur Radio Callsign: KA3YXM | Electrical Engineering Student \--------------=---------------- Save lives, please look at http://www.all.org Personal page: http://www.people.cornell.edu/pages/shb7 mailto:shb7@cornell.edu ICQ #: 3329174 ________________________________________________________ NetZero - We believe in a FREE Internet. Shouldn't you? Get your FREE Internet Access and Email at http://www.netzero.net/download/index.html