cant access site after several months now i get instalation page

my website is been working fine since i installed. i have not make any changes to any files and now i get the system set up page

Hello. Thank you for loading Zen Cart®.
You are seeing this page for one or more reasons:

This is your first time using Zen Cart® and you haven't yet completed the normal Installation procedure.
If this is the case for you, you will need to upload the "zc_install" folder using your FTP program, and then run zc_install/index.php via your browser (or reload this page to see a link to it).

Your /includes/configure.php and/or /admin/includes/configure.php file contains invalid path information and/or invalid database-connection information.
If you recently edited your configure.php files for any reason, or maybe moved your site to a different folder or different server, then you'll need to review and update all your settings to the correct values for your server.
Additionally, if the permissions have been changed on your configure.php files, then maybe they're too low for the files to be read.
Or the configure.php files could be missing altogether.
Or your hosting company has recently changed the server's PHP configuration (or upgraded its version) then they may have broken things as well.
See the Online FAQ and Tutorials area on the Zen Cart® website for assistance.
Additional *IMPORTANT* Details: includes/configure.php file contents invalid. ie: DIR_FS_CATALOG not valid or not set

all my files still there and my db still there, i contacted my hosting account and they said the haven upgraded the php server and im using php 5.3.
please help

Did you look at the configure.php files to see if the path information is correct ?

Thank you for answering. But how would I know the path can you give me an example. Not too good at this

yoyospike:

Thank you for answering. But how would I know the path can you give me an example. Not too good at this

includes/configure.php & youradmin/includes/configure.php

well i fixed the path and i can log in in admin and the index page shows, but when adding a product to cart get blank page.

ok so what do you have in your error log folder?

this is my last log, but im courios breacuse is calling for /hermes/bosoraweb163/b31/ipg.idtagsforallcom but the path that fixed the problbem at the begining is home/users/web/b31/ipg.idtagsforallcom/.

[29-Mar-2013 19:45:58] PHP Warning: Cannot modify header information - headers already sent by (output started at /hermes/bosoraweb163/b31/ipg.idtagsforallcom/includes/languages/english/classic/header.php:34) in /hermes/bosoraweb163/b31/ipg.idtagsforallcom/includes/init_includes/init_templates.php on line 78

this is my configure.php file, i just masked user name and password

webserver: eg-http://www.your_domain.com
// HTTPS_SERVER is your Secure webserver: eg-https://www.your_domain.com
define('HTTP_SERVER', 'http://www.idtagsforall.com');
define('HTTPS_SERVER', 'https://www.idtagsforall.com');

// Use secure webserver for checkout procedure?
define('ENABLE_SSL', 'true');

// NOTE: be sure to leave the trailing '/' at the end of these lines if you make changes!
// * DIR_WS_* = Webserver directories (virtual/URL)
// these paths are relative to top of your webspace ... (ie: under the public_html or httpdocs folder)
define('DIR_WS_CATALOG', '/');
define('DIR_WS_HTTPS_CATALOG', '/');

define('DIR_WS_IMAGES', 'images/');
define('DIR_WS_INCLUDES', 'includes/');
define('DIR_WS_FUNCTIONS', DIR_WS_INCLUDES . 'functions/');
define('DIR_WS_CLASSES', DIR_WS_INCLUDES . 'classes/');
define('DIR_WS_MODULES', DIR_WS_INCLUDES . 'modules/');
define('DIR_WS_LANGUAGES', DIR_WS_INCLUDES . 'languages/');
define('DIR_WS_DOWNLOAD_PUBLIC', DIR_WS_CATALOG . 'pub/');
define('DIR_WS_TEMPLATES', DIR_WS_INCLUDES . 'templates/');

define('DIR_WS_PHPBB', '/');

// * DIR_FS_* = Filesystem directories (local/physical)
//the following path is a COMPLETE path to your Zen Cart files. eg: /var/www/vhost/accountname/public_html/store/
define('DIR_FS_CATALOG', '/home/users/web/b31/ipg.idtagsforallcom/');

//the following path is a COMPLETE path to the /logs/ folder eg: /var/www/vhost/accountname/public_html/store/logs ... and no trailing slash
define('DIR_FS_LOGS', '/home/users/web/b31/ipg.idtagsforallcom/logs');

define('DIR_FS_DOWNLOAD', DIR_FS_CATALOG . 'download/');
define('DIR_FS_DOWNLOAD_PUBLIC', DIR_FS_CATALOG . 'pub/');
define('DIR_WS_UPLOADS', DIR_WS_IMAGES . 'uploads/');
define('DIR_FS_UPLOADS', DIR_FS_CATALOG . DIR_WS_UPLOADS);
define('DIR_FS_EMAIL_TEMPLATES', DIR_FS_CATALOG . 'email/');

// define our database connection
define('DB_TYPE', 'mysql');
define('DB_PREFIX', '');
define('DB_CHARSET', 'utf8');
define('DB_SERVER', 'idtagsforallcom.ipagemysql.com');
define('DB_SERVER_USERNAME', '*****');
define('DB_SERVER_PASSWORD', '****');
define('DB_DATABASE', 'idtags_forall');

// The next 2 "defines" are for SQL cache support.
// For SQL_CACHE_METHOD, you can select from: none, database, or file
// If you choose "file", then you need to set the DIR_FS_SQL_CACHE to a directory where your apache
// or webserver user has write privileges (chmod 666 or 777). We recommend using the "cache" folder inside the Zen Cart folder
// ie: /path/to/your/webspace/public_html/zen/cache -- leave no trailing slash
define('SQL_CACHE_METHOD', 'none');
define('DIR_FS_SQL_CACHE', '/home/users/web/b31/ipg.idtagsforallcom/cache');

// EOF

one last log

[30-Mar-2013 06:39:54] PHP Warning: Cannot modify header information - headers already sent by (output started at /hermes/bosoraweb163/b31/ipg.idtagsforallcom/includes/languages/english/classic/header.php:34) in /hermes/bosoraweb163/b31/ipg.idtagsforallcom/includes/init_includes/init_templates.php on line 78
[30-Mar-2013 06:39:54] PHP Warning: Cannot modify header information - headers already sent by (output started at /hermes/bosoraweb163/b31/ipg.idtagsforallcom/includes/languages/english/classic/header.php:34) in /hermes/bosoraweb163/b31/ipg.idtagsforallcom/includes/functions/functions_general.php on line 45

also as a result of this im not able to get to credit card info and complete an order. my business is live and i really need this working.

what mods have you added/files have you edited since your store was last working correctly?

what version of zen cart are you using if it is an earlier version you maybe having issues now your host has upgraded there servers to php 5.3

read this post http://www.zen-cart.com/showthread.php?140960-PHP-5-3-Support-for-v1-3-8-a

as this post outlines most of the files you have mentioned above

hope this helps is seams like a problem i had when recently switching hosted it is recommended you now upgrade to 1.5.1

lukeengland12:

what version of zen cart are you using if it is an earlier version you maybe having issues now your host has upgraded there servers to php 5.3

read this post http://www.zen-cart.com/showthread.php?140960-PHP-5-3-Support-for-v1-3-8-a

as this post outlines most of the files you have mentioned above

hope this helps is seams like a problem i had when recently switching hosted it is recommended you now upgrade to 1.5.1

I am using v1.51 and I had instaled super orders and usps autofill. I don't know how the path changed. Are there other places I have to change the path to get this working?

have you got a link to your site where we can view these errors also i cant see any problems with your config file but it may be worth checking your file paths to make sure they match your hosts

problem solved, come to find out the host company made the changes. they were able to fix the file path. thanks for all ppl that were able to help me here.

yoyospike:

problem solved, come to find out the host company made the changes. they were able to fix the file path. thanks for all ppl that were able to help me here.

Thanks for confirming that the root problem was something done by your hosting company, and that the solution was simply fixing the paths in your configure.php files to match the new paths needed after your hosting company's change.