I faced the following error message today:
Software index is broken
It is impossible to install or remove any software. Please use the package manager "Synaptic" or run "sudo apt-get install -f" in a terminal to fix this issue at first.
So I openned a terminal and typed:
sudo apt-get install -f
But then it crashed, I had both the output of the terminal that stuck here:
USER_HERE:~$ sudo apt-get install -f
E: dpkg was interrupted, you must manually run 'sudo dpkg --configure -a' to correct the problem.
USER_HERE:~$ sudo dpkg --configure -a
Setting up linux-headers-4.18.0-17-generic (4.18.0-17.18~18.04.1) ...
Processing triggers for initramfs-tools (0.130ubuntu3.7) ...
update-initramfs: Generating /boot/initrd.img-4.18.0-16-generic
Setting up linux-headers-4.15.0-47-generic (4.15.0-47.50) ...
And opened a "crash report" window:
For further details:
How to fix it ?
