not log in to back office on GoDaddy host

[capirot]

good night

I have two shops

from one day to another

I can not enter my shop 1.3.7 and 1.4

Already done:

1 - modify cookie.php file, version 1.3
2 - replace the two files recommended in the forum (cookie.php and adminpreference.php), version 1.4
3 - Install a new site with the version 1.4 and I have the same problem
4- change (time() + in cookie.php
have godaddy serveri

t is not a password problem

always asks me the login once, again, again and again

Excuse my English is not very good

Greetings and Thanks