> Hi, Jeff > > Thanks for replying. > I've used idv_2.6b2_linux-i386_installer.sh > My computer is RedHat Linux. > > Do you needs more infomration, then feel free to ask me. > Hi, This sound like a graphics driver problem on your machine. Here is a discussion that points to some possible solutions: http://forums.java.net/jive/thread.jspa?threadID=27347 There are also a number of other web pages that mention this problem: http://www.google.com/search?hl=en&q=%22GLX+extension+is+not+supported%22+&btnG=Search -Jeff Ticket Details =================== Ticket ID: NNP-544399 Department: Support IDV Priority: Normal Status: Closed