If you are using recordmydesktop and advance tab is not working then this is probably due to this :
https://bugs.launchpad.net/gtk-recordmydesktop/+bug/447011
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=589769
su root ; // login as root cd /usr/local/bin ; // go to the /usr/local/bin directory gedit jack_lsp ; // created the file jack_lsp //Write following in the file and save it: //#!/bin/bash chmod 755 /usr/local/bin/jack_lsp ; // Made it executable ( rwx for owner , rx for group and others )