Hello Sir, I need your help. My problem is when ever i try to install new software like java, windows live messenger, limewire or many other the instalation window disappears suddenly with out any error and i can't install any software and when i am trying to surf internet IE, Opera and Netscape window also disappears some time like i cant open avg.com i try to get help from yahoo.answers but when i go to secutry section browser window disappeas. When i work on ms work and open page setup that one also disappear and after that i cant use ms word. and Task manger also minimize to system try. i
