You have a broken third party service installed named "runlcactivator".
You will need to remove it.
** Changed in: grub2 (Ubuntu)
Status: New => Invalid
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** Tags removed: need-duplicate-check
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https://bugs.launchpad.net/bugs/1633744
Title:
package grub-common 2.02~beta2-36ubuntu3.2 failed to install/upgrade:
subprocess installed
