I can't install Tor Web Browser

[Humble]

Welcome aboard!!!...

You have another application open; synaptic or lite software, updates or similar (you would of had to enter credentials)...
Close those open applications ... Then rerun command..

closing and reopening terminal works or should i enter a command to close the applications? as i said i am new so

Edit: so i restarted my computer and then run the command this time got this error:

Code:

comp@lighter-lin:~$ sudo apt-get update && sudo apt-get install tor-web-browser
[sudo] password for comp:
Hit:1 http://archive.canonical.com/ubuntu xenial InRelease
Get:2 http://security.ubuntu.com/ubuntu xenial-security InRelease [94.5 kB]   
Hit:3 http://ppa.launchpad.net/nemh/systemback/ubuntu xenial InRelease         
Hit:4 http://repo.linuxliteos.com/linuxlite citrine InRelease                 
Hit:5 http://us.archive.ubuntu.com/ubuntu xenial InRelease                     
Get:6 http://us.archive.ubuntu.com/ubuntu xenial-updates InRelease [95.7 kB]
Hit:7 http://us.archive.ubuntu.com/ubuntu xenial-backports InRelease           
Hit:8 http://ppa.launchpad.net/otto-kesselgulasch/gimp/ubuntu xenial InRelease
Hit:9 http://ppa.launchpad.net/ubuntu-wine/ppa/ubuntu xenial InRelease
Fetched 190 kB in 2s (83.3 kB/s)
E: dpkg was interrupted, you must manually run 'sudo dpkg --configure -a' to correct the problem.