On Mon, 2010-11-01 at 11:00 +0530, Ritika Garg wrote: > I have CentOS5.3 installed on the system. I have updated firefox to > firefox-3.6.11-2.el5.centos. While doing any work on the internet, > suddenly the system logs out. What can be the problem? Sounds like something is causing X to crash. What video card/driver are you using? Does it crash when you do something other than "work on the internet"? Does anything in particular cause it to crash? Flash content, for example? Playing sound? Switching a window to full-screen? Etc? -- MELVILLE THEATRE ~ Melville Sask ~ http://www.melvilletheatre.com