gnome-terminal launch error backtrack 5 r3 hdd install but no error's on live cd

i installed bt5 r3 on my toshiba portege m400 and when i go to use the terminal i get this error could not launch application Failed to execute child process "gnome-terminal" (Input/output error) but if i use the live cd the terminal works with out any problems only do's it is if it is installed on the hdd i have looked all over and alot of people has been having the same problem as i have since 2008 and thy are all using different pc and different linux os the only thing in comman is that it is gnome and none of them has a fix i tryed Terminator konsole and it works fine with no error's

i font out how to fix the problem go terminator under applications/accessories and type in

apt-get remove gnome-terminal

when that is complete you then type in

apt-get install gnome-terminal

after the install is done it will be fixed i hope this helps others