Unable to login to admin with 1.3.8

I'm still unable to login to the admin,

Not using either of these files:

• /includes/templates/YOUR_TEMPLATE/templates/tpl_login_default.php
• /includes/templates/YOUR_TEMPLATE/templates/tpl_timeout_default.php

I am using the /admin/login.php from 1.3.8 with not changes.

I'm using /includes/functions/sessions.php file from 1.3.8.

I've deleted my cookies, completed a hard refresh, closed browser, reopened browser, attempted login, and still get, There was a security error when trying to login.

Same for me, fresh installs, on localhost, using either 1.3.8 or latest version i.e.
1.3.8a..also deleted cookies, closed browser, reopened browser..
using MIE7.. failed again..redid procedures..tried with Firefox..
same result..cannot login to admin..
:(

try using the sessions file from 1.3.7

Merlinpa1969:

try using the sessions file from 1.3.7
Good suggestion.. thanks..tried..no joy..
However
login as admin via

http://localhost/zen138/admin

FAILS
login with domain name associated with localhost
install via noip i.e.

http://mydomain.co.uk/zen138/admin

SUCCESS
:clap:
but
:dontgetit

Does your configure.php file contain the "localhost" for your URL, or your domain name?

It's not wise to mix them up ... the PHP login session uses the domain name to start the session. If that name changes, the session becomes invalid.

This is not new to 1.3.8.

DrByte:

Does your configure.php file contain the "localhost" for your URL, or your domain name?
It's not wise to mix them up ... the PHP login session uses the domain name to start the session. If that name changes, the session becomes invalid.
This is not new to 1.3.8.
Both configure files set as localhost..never had problem before using this
setup..i.e. from zencart 1.25 thru to 1.3.7.1..actual store works fine using

http://localhost/zen138/

I just completed a fresh install, or new install of 1.3.8. and it works fine. I'm starting to think it may be easier just import my products and upload the template files to this install.

What's the logic of using the sessions file from 1.3.7? I will need to add the new security code to it first wouldn't I?