My system is Ubuntu 18.04 LTS, with GNOME 3.28.1. In the login screen, if I enter the wrong password, it shows me the the message "Sorry, it didn't work", and then I continue to enter the right one. Then the login screen fades away but continue to show me the purplish background but not the desktop environment. However, if I enter the right password on the first try, everything goes normal. Also if I press cancel button after the "Sorry, it didn't work" message was shown and reenter the login screen, everything works fine. Does anyone knows how to fix that?
If I enter my password correct first time, I login as normal.  If I enter my password wrong, it says invalid password. If I attempt to enter the correct password now then the screen freezes and doesn't go to dock as normal. I must restart using a physical button or shutdown to get out. Login works normally after restart, assuming I get it right first time.  EDIT:  After entering a wrong password, if I click cancel and then go back to my user to login, it works fine.
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