Hi Asmita, >From the logs, some packages failed to install:
Setting up gns3 (0.8.7-2) ... dpkg: error processing package gns3 (--configure): installed gns3 package post-installation script subprocess returned error exit status 10 Setting up openssh-server (1:7.6p1-4ubuntu0.1) ... dpkg: error processing package openssh-server (--configure): installed openssh-server package post-installation script subprocess returned error exit status 10 Can you please look in your syslog for any information that would help track down why these packages failed? Post them here and then change the bug status from "incomplete" to "new". ** Changed in: openssh (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1815553 Title: package openssh-server 1:7.6p1-4ubuntu0.1 failed to install/upgrade: installed openssh-server package post-installation script subprocess returned error exit status 10 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/openssh/+bug/1815553/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs