A day back everything was fine when using the Software Center. The problem started after attempting to install the app named 'Shutter' (app for taking screenshots) yeasterday. I started the Install then went to watch a movie came back to my PC 3hrs later it was showing 'Applying Changes' it was odd as the software was just 15MB and should have got over. Later on... after 2 hours of staring 'Applying Changes' I couldn't wait no more and had to shutdown the PC. Today morning when I opened the Software Center the 'Applying Changes' was still there, I cannot install any other software using the center as it says 'waiting' for the Shutter App to finish and I want to stop the installing but just can't as there is no X or Cancel button to stop it. Using the Terminal I've tried >>

mohd_arafat_hossain@TUD:~$ sudo killall -9 apt-get
[sudo] password for mohd_arafat_hossain: 
apt-get: no process found
mohd_arafat_hossain@TUD:~$ sudo dpkg --configure -a
dpkg: error: dpkg status database is locked by another process

What am I supposed to do now?

2 Answers 2


Try with

sudo apt-get -f install
  • AAAHHHHHH!! How could I have forgotten this!!! -.-. Thanks jasmines Jul 16, 2012 at 8:30

user@ChrUbuntu:~$ sudo apt-get -f install E: dpkg was interrupted, you must manually run 'sudo dpkg --configure -a' to correct the problem. user@ChrUbuntu:~$ sudo dpkg --configure -a Setting up virtualbox-kernel-mods-3.4.0 (1.0-1) ... - Starting VirtualBox kernel modules

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