That looks like a transient error due to resource usage - too many processes running, too much memory/swap in use, or something like that. Try closing down some applications, or even logging out or rebooting, then run "sudo apt-get install" in a terminal and see if the package can install successfully.
That looks like a transient error due to resource usage - too many processes running, too much memory/swap in use, or something like that. Try closing down some applications, or even logging out or rebooting, then run "sudo apt-get install" in a terminal and see if the package can install successfully.