Thanks Paul.
I downloaded the Ubuntu 20.04.4 LTS again from the official website and
made a bootable USB using rufus which actually worked with Secure Boot
turned off on UEFI and writing this comment from the fresh build.
Earlier I tried Universal USB installer and balenaEtcher but nether of
them
Public bug reported:
The installation started and at last it gave me the crashed error.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: ubiquity 20.04.15
ProcVersionSignature: Ubuntu 5.4.0-26.30-generic 5.4.30
Uname: Linux 5.4.0-26-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp
*** This bug is a duplicate of bug 1617564 ***
https://bugs.launchpad.net/bugs/1617564
Public bug reported:
I was installing kubuntu-desktop and this error appeared and couldn't
complete the installlation.
ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: kaccounts-providers (not ins