After, login a POP says "Initialising PHPlist in your Language " & is logging out in fraction of secs.
You briefly see the upgrade option 3.2.4 to 3.2.5 , so you know the password is correct
PHP version 5.4.19, MySQL version 5.0.
Upgraded to MySQL version 5.5.43
-> same problem
increased in php.ini the mysql timeout to 60
-> same problem
Hosting on godaddy but was not a problem with 3.2.4