Kubuntu-Desktop : install / remove / revert back to Gnome

I installed Kubuntu-Desktop few days back but my machine got in to mess yesterday and by moring only login screen comes. Wondering why my ubuntu is acting so, I tried some wrong passwords. For those trials, Ubuntu notified instantly ‘wrong password’ but for my real password it accepts but tries to log me in but I come to same login screen as if kicked out.

I tried from the menu ‘console login’ and it logged me in and i was able to execute some backups and checks.

I then decided to revert myself back to Gnome. Now, was I lucky or did I use aptitude instead of my favorite apt while installing. I tried the below command.

sudo apt-get autoremove kubuntu-desktop


Other attempts , which could resolve this Kubuntu-desktop login issues:

Option 1.
sudo aptitude reinstall -f kubuntu-desktop
sudo aptitude remove kubuntu-desktop

Option 2.Try moving to gnome display manager
sudo apt-get remove kdesktop
sudo apt-get remove kdm
sudo dpkg-reconfigure gdm

Option 3: Just for a attempt
gksu /usr/sbin/gdmsetup

Option 4: Clearing /tmp of wrong clear files

And then,
sudo apt-get install ubuntu-desktop


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