Hi Dave! I have Norton Anti virus on my system. I run a test and there is no virus detected. What ido you mean by SFC? is that a type of anti virus? If so, where can I get it? Regards, Roden d_zalameda@xxxxxxxxxxxxxxxxx ----- Original Message ----- From: Dave To: jfw@xxxxxxxxxxxxx Sent: Wednesday, November 23, 2005 2:31 PM Subject: Re: system shutdown? Hi, Try running an antivirus check then sfc that's system file checker, might be a corrupted .dll somewhere. HTH Dave ----- Original Message ----- From: Roden To: jfw@xxxxxxxxxxxxx Sent: Thursday, November 24, 2005 5:42 AM Subject: system shutdown? hi all! I'm using JAWS6.0, Windows XP PRO SP1 and every time I'm going to connect to the Internet, a message window appears. The message window informing me that my system is shutting down within 20 minutes. I tried to update my Windows and still I'm experiencing this kind of error. does anybody knows how to fix this problem? Regards, Roden d_zalameda@xxxxxxxxxxxxxxxxx