Troubleshooting

Articles
"There was a security error when trying to login"
Situation: I have just upgraded and now getting this error when trying to login from the customer screen "There was a security error when trying to login" Cause:
- 2008-12-04 - Similar Articles

Can I use phpsuexec mode on my server?
Yes, Zen Cart will run in a phpsuexec environment. However, you will need to work with your server administrator to determine the correct file-permissions mask to use for mark
- 2007-06-11 - Similar Articles

Connection to Database failed ... Access denied for user: 'myname@localhost' (Using password: YES)
This suggests you have something wrong with any of: - username - password - database name - database host/server - security settings on your database When you created your da
- 2009-02-06 - Similar Articles

During installation I see an error: "1142 DROP command denied to user: 'jason@localhost' ... DROP TABLE IF EXISTS
To use Zen Cart, you need to grant the "user" of your MySQL database the right privileges for security access.For normal Zen Cart operation, you should grant at leas
- 2006-10-10 - Similar Articles

Error 2006 MySQL server has gone away or 2013 Lost connection to MySQL server during query
"MySQL server has gone away" means that when you clicked on something to ask Zen Cart to do something, it started processing the request, but when it went to retriev
- 2008-11-29 - Similar Articles

Error: (6) Couldn't resolve host
A "couldn't resolve host" message indicates that your webserver had a problem looking up the IP address of the destination server at the moment it needed to. That ca
- 2008-01-24 - Similar Articles

Error: Catalog images directory is not writeable
The /images directory needs to be set with a chmod 777 for write access. Note: This includes all subdirectories for /images as well as their subdirectories. Example: /ima
- 2006-08-30 - Similar Articles

Fatal error: mysql error: [1: Can't create/write to file '/var/tmp/#sql_9469_0.MYI' (Errcode: 28)] (or any other errors related to a .MYI file)
CAUSE: The MySQL daemon/engine on your server has run out of (allowed) space for storing its own database files. If the filename/path mentioned includes "/tmp/" in
- 2006-09-06 - Similar Articles

Getting 500 or 406 or 404 or 403 errors when submitting product updates in admin pages
Symptom: When updating product details (or EZ-Pages content and other areas), when certain keywords are used in the content, an error message similar to the following may ap
- 2008-08-01 - Similar Articles

How can I block specific hacker activity?
Some common attempts to probe your site for old vulnerabilities can be blocked by adding the following code to your store's /.htaccess file.(Blocking probes for old fixed vuln
- 2009-11-15 - Similar Articles

How can I find out what version of Zen Cart or PHP or MySQL I'm using?
To find out what version of Zen Cart or PHP or MySQL you are currently using, you can simply go to Admin->Tools->Server InfoOn that screen you will see a lot of detail a
- 2006-10-01 - Similar Articles

How do I speed up my site?
Here are some suggestions, assuming you're running the latest-released version of Zen Cart: 1. Turn off Category Counts: a. Admin->Config->My Store->Show Category Co
- 2008-09-20 - Similar Articles

I am getting a blank page (or blank part of a page)
Blank pages can be caused by a number of things, and often occur just after installing, upgrading, or customizing your store.  Any time you touch a PHP file, you must be
- 2008-07-21 - Similar Articles

I can't login to the Admin after installing Zen Cart
In most cases of difficulties logging in to the Admin area, the problem is one of: Admin pages won't show at all, or show without styling.In this case, try temporarily
- 2008-08-09 - Similar Articles

I can't stay logged in to my Admin area -- or -- PHP Session Handling isn't working for me.
THE FIRST THING TO TRY is this:- Close all your browser windows- Open 1 browser window, and use it to clear your browser cache AND cookies.- If you are using Safari for your b
- 2009-07-23 - Similar Articles

I moved Zen Cart to another server and now I can't log into Admin
I moved Zen Cart to another server and now I can't log into Admin. I receive the following message: Warning: session_start(): open(C:/inetpub/www/html/store/cache\sess_9c55d6
- 2006-08-30 - Similar Articles

I've got TEXT_MAIN being displayed on my page (or other unexpected UPPERCASE words)
Lesson An uppercase set of words akin to TEXT_MAIN or ENTRY_STATE_TEXT  or SOMETHING_LOOKING_LIKE_THIS  is called a "constant" in PHP language terms.A &qu
- 2007-09-15 - Similar Articles

My Admin takes a long time to login, or my admin home page is very slow to load.
Updated article here:http://tutorials.zen-cart.com/index.php?article=81
- 2007-09-18 - Similar Articles

My emails are not arriving to all domains, or rejected from "nobody"
From this thread: Archived discussion on email problems ... It actually has nothing to do with Zen Cart or the unroutable domains I was sending mail to. It has to do with c
- 2007-07-31 - Similar Articles

My images are distorted/fuzzy/squished, help?
Your images are distorted because the images sizes are set to fixed dimensions, both height and width, and if your images are not the same ratio they will appear distorted. T
- 2006-10-12 - Similar Articles

My Payment Methods aren't showing up during checkout
During checkout, if your payment methods aren't showing up, go into Admin> Modules> Payment and check: 1. Is the payment module Installed? If not, click the Install but
- 2006-08-30 - Similar Articles

My prices are displaying $0 instead of the real amount
First, check your store from another browser, preferably on another PC. Perhaps there may be a cache/session issue which will take care of itself by flushing cache or letting
- 2008-08-30 - Similar Articles

My shipping is figured wrong, it is 3 pounds too heavy
Any shipping module that uses weight for the calculations also takes into account a built-in Tare weight. The admin configurable Tare adds extra weight to compensate for packa
- 2006-08-30 - Similar Articles

My site cannot be reached...admin cannot be reached.....error message 0 DB_ERROR_NOT_CONNECTED Where did my cart go? where did my admin go?
0 DB_ERROR_NOT_CONNECTED is an error message that appears if your MySQL database cannot be reached.Zen Cart uses the security credentials in your /includes/configure.php file
- 2006-10-10 - Similar Articles

My stylesheet is not loading; or my page loads with no styling or effect from CSS stylesheet
If your stylesheet is not loading properly (symptoms include a page that displays no coloring or expected layout etc), then your server's configuration of the Apache service i
- 2009-05-05 - Similar Articles

My taxes aren't calculating properly. What should I check?
If you haven't configured taxes yet, please see the related articles on setting up taxes.  If you have set up taxes according to the instructions, but they don't seem to
- 2006-10-05 - Similar Articles

No data in my store after moving to another server/host. Or error 1146 Table 'xyz.configuration' doesn't exist
Moving To Another  Server To move your site to a new host, you should follow the instructions listed in the FAQ entitled I want to move my Zen Cart installation to anoth
- 2008-05-24 - Similar Articles

Parse error: unexpected T_STRING (or similar)
If you are getting an error similar to: "Parse error: parse error, unexpected T_STRING in /var/www/myaccount/public_html/includes/languages/english/SOMETHING.php on line
- 2006-08-30 - Similar Articles

Some of my pages are blank except for these characters: 
Problem:Some of my pages are blank except for these characters:  Symptoms:- Page is *almost* blank, except for showing these characters:  
- 2009-08-05 - Similar Articles

The PayPal account in this store is presently misconfigured to use mixed sandbox and live settings. We are unable to complete your transaction. Please notify the store owner so they can correct this problem. (10002)
Your PayPal Express Checkout and/or Website Payments Pro module settings require 4 components to be set correctly in order to talk to PayPal successfully. If any one of them i
- 2008-01-08 - Similar Articles

The USPS module is returning an error when I try to checkout
If you are recieving this error: An error occured with the USPS shipping calculations. If you prefer to use USPS as your shipping method, please contact the store owner. You
- 2006-08-30 - Similar Articles

This page contains both secure and nonsecure items (or "Unauthenticated content").
Problem:When i click the Log In link as a customer i get prompted with the security prompts stating: "This page contains both secure and nonsecure items. Do you want to
- 2009-09-13 - Similar Articles

Warning the installation directory exists...
One of the most commonly encountered errors is a warning that the installation directory exists at /such/and/such/an/address. It is recommended that you delete or rename the d
- 2006-08-30 - Similar Articles

Warning: Headers already sent...
Symptom: Warning: Cannot modify header information - headers already sent by (output started at /....includes/something/something/something.php:12) in ..../includes/something
- 2007-06-13 - Similar Articles

Warning: I am able to write to the configuration file...
This error is triggered because the permissions on the file are set to Read,Write and Execute (UNIX) or on Windows no attributes are checked in the file properties. On LINUX/
- 2007-11-29 - Similar Articles

Warning: mkdir() failed (No such file or directory) in ...
This error seems to be common on Windows installations. Open your includes/configure.php and admin/includes/configure.php and change: define('DIR_FS_SQL_CACHE', '/tmp'); to:
- 2006-08-30 - Similar Articles

Warning: Your Admin login is not secure ...
If you are getting this note in your Admin area: "Warning: Your Admin login is not secure ... either you still have default login settings for: Admin admin or have not r
- 2006-08-30 - Similar Articles

What do the Page Parse times and Query Counts numbers mean?
If you have enabled the display of parse times, you will see some statistical information in the footer of your pages, which looks like this:Parse Time: 0.314 - Number of Quer
- 2006-08-30 - Similar Articles

What is GZIP compression, and why should I use it?
PurposeThe purpose of GZIP Compression: This causes pages to be compressed before being transmitted from server to browser, making the transmitted data smaller, thus speeding
- 2009-07-30 - Similar Articles

When I log into Admin, first page is slow or it just hangs forever.
FIRST ... is the slowness *only* for the admin area? If you also see the *same* slowness in your storefront, this FAQ does not apply to your situation. Slowness logging in to
- 2008-12-08 - Similar Articles

When I try to edit my Zen Cart CSS using the Firefox Web Developer tool, my site goes funny
This is because Web Designer's Edit CSS function can't find your background images. Zen Cart's background images are referenced in your stylesheet using realtive addresses suc
- 2006-10-19 - Similar Articles

Where do I find my server's errorlog to review server-side problems?
Your hosting company typically provides this via their control panel. - If you use cPanel, simply log into your cPanel admin, and click on the Errorlog button.- Other hosting
- 2006-10-11 - Similar Articles

Why can't I make new posts on the forum?
I need to make a post to the forum but cannot. The forum can be found at: http://www.zen-cart.com/forum/ New forum members must complete their registration by co
- 2008-08-28 - Similar Articles


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