I tried this as mentioned in this post (https://askubuntu.com/a/142808/762071) .
But nothing seemed to work .
This issue might be trivial but I am new to it and I am not able to figure out
any solution.
Thanks in advance .
** Attachment added: "sources.list"
https://bugs.launchpad.net/ubuntu
Public bug reported:
.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: ubuntu-release-upgrader-core 1:16.04.25
ProcVersionSignature: Ubuntu 4.15.0-33.36~16.04.1-generic 4.15.18
Uname: Linux 4.15.0-33-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.18
Architecture: amd64
CrashDB: ubuntu
Curren
