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After I updated to Ubuntu 14.04, I am not able to login to Ubuntu.

Whenever I enter my password, my screen flashes for a couple of seconds and goes back to the login screen. I have tried over and over again but the same thing happens.

I can't login through the guest session either - whenever I click login, the screen flashes and goes back to the login screen again.

What do I do? I'm really confused and stuck and I need to fix this problem REALLY soon!

Thanks!

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boot to recovery mode, drop to a root shell, and make sure everything in your home directory is owned by your user. If that fails, try resetting unity - askubuntu.com/questions/17610/… –  bodhi.zazen Jun 19 at 22:20
    
@bodhi.zazen: Since it happens with guest sessions too, the problem is probably not home directory related. I would check the lightdm config files. –  Gunnar Hjalmarsson Jun 20 at 1:48
    
How would I do this? Thanks! –  user295111 Jun 20 at 4:44
    
you can look at the logs, but, it takes longer to debug a failed upgrade then it does to do a fresh install. Your data in /home will be preserved as long as you do NOT format yout root partition. –  bodhi.zazen Jun 20 at 12:08
    
Thanks for the help! Fairly new to Terminal and Ubuntu. Are there any specific commands that would help me do what I need to do? –  user295111 Jun 21 at 5:21

1 Answer 1

I had the same issue and solved it by correcting the ownership of the file: ~/.Xauthority. Just open a terminal and enter:

sudo chown `whoami`.`whoami` -R .Xauthority
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Sorry! Didn't work. Ubuntu just crashes when I do this. Is it possible if you could answer this: askubuntu.com/questions/488144/… –  user295111 Jun 27 at 6:37

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