Joomla 404 and 500 error - Joomla! Forum - community, help and support

i turning on sef, sef_rewrite, sef_suffix, , unicodeslugs, after renamed htaccess.text .htaccess started getting 404 error on front end , 500 error after loging on end...

so far have: (from other posts have fond via google issues)
1 reset file permissions 755 folders , 644 files
2 tried disabling sef, sef_rewrite, sef_suffix, , unicodeslugs via configuration.php
3 changed name on htaccess while above set 0
4 removed jos_session records db (this got me admin login page after login getting 500 error again) (and did not remove table)
5 removed jos_redirect_links records (i did notice entry /index.php checkparams.com)
6 changed , unchanged $log , $temp
7 turned on debug got this:

code: select all

component not found

call stack
#   function   location
1   jsite->dispatch()   /home/crestcom/public_html/index.php:42
2   jcomponenthelper::rendercomponent()   /home/crestcom/public_html/includes/application.php:197
3   jerror::raiseerror()   /home/crestcom/public_html/libraries/joomla/application/component/helper.php:337
4   jerror::raise()   /home/crestcom/public_html/libraries/joomla/error/error.php:251

8. added

code: select all

addhandler application/x-httpd-php51 .php .php3 .php4 .php5 .phtml

.htaccess , got download file called "download" contents:

code: select all

<?php
/**
 * @package      joomla.site
 * @copyright   copyright (c) 2005 - 2012 open source matters, inc. rights reserved.
 * @license      gnu general public license version 2 or later; see license.txt
 */

// set flag parent file.
define('_jexec', 1);
define('ds', directory_separator);

if (file_exists(dirname(__file__) . '/defines.php')) {
   include_once dirname(__file__) . '/defines.php';
}

if (!defined('_jdefines')) {
   define('jpath_base', dirname(__file__));
   require_once jpath_base.'/includes/defines.php';
}

require_once jpath_base.'/includes/framework.php';

// mark afterload in profiler.
jdebug ? $_profiler->mark('afterload') : null;

// instantiate application.
$app = jfactory::getapplication('site');

// initialise application.
$app->initialise();

// mark afterintialise in profiler.
jdebug ? $_profiler->mark('afterinitialise') : null;

// route application.
$app->route();

// mark afterroute in profiler.
jdebug ? $_profiler->mark('afterroute') : null;

// dispatch application.
$app->dispatch();

// mark afterdispatch in profiler.
jdebug ? $_profiler->mark('afterdispatch') : null;

// render application.
$app->render();

// mark afterrender in profiler.
jdebug ? $_profiler->mark('afterrender') : null;

// return response.
echo $app;


9: commented out , #options +followsymlinks sef, sef_rewrite, sef_suffix, , unicodeslugs on , off

10. checked error logs: found this:
file not exist: /home/[user]/public_html/404.shtml+

this site on cpanel host , 4 other installs of joomla working fine

the extensions have installed are:
bfjoomlaforms (there framwork , ajax it)
jce
x-map
akeeba

i using artisteer template

i lost , want fixed have been working on 2 days , not getting anywhere

side note dont know if related... rebuildng site moving 1 host doing scratch , there major upgrade (joomla change) anyways changed nameservers site , on new site when out of blue directed old site... flushing dns did not , when pinging getting ip new server

this .htaccess

code: select all

addhandler application/x-httpd-php51 .php .php3 .php4 .php5 .phtml

##
# @package      joomla
# @copyright   copyright (c) 2005 - 2012 open source matters. rights reserved.
# @license      gnu general public license version 2 or later; see license.txt
##

##
# read if choose use file!
#
# line below section: 'options +followsymlinks' may cause problems
# server configurations.  required use of mod_rewrite, may already
# set server administrator in way dissallows changing in
# .htaccess file.  if using causes server error out, comment out (add # to
# beginning of line), reload site in browser , test sef url's.  if work,
# has been set server administrator , not need set here.
##

## can commented out if causes errors, see notes above.
#options +followsymlinks

## mod_rewrite in use.

rewriteengine on

## begin - rewrite rules block out common exploits.
# if experience problems on site block out operations listed below
# attempts block common type of exploit `attempts` joomla!
#
# block out script trying base64_encode data within url.
rewritecond %{query_string} base64_encode[^(]*\([^)]*\) [or]
# block out script includes <script> tag in url.
rewritecond %{query_string} (<|%3c)([^s]*s)+cript.*(>|%3e) [nc,or]
# block out script trying set php globals variable via url.
rewritecond %{query_string} globals(=|\[|\%[0-9a-z]{0,2}) [or]
# block out script trying modify _request variable via url.
rewritecond %{query_string} _request(=|\[|\%[0-9a-z]{0,2})
# return 403 forbidden header , show content of root homepage
rewriterule .* index.php [f]
#
## end - rewrite rules block out common exploits.

## begin - custom redirects
#
# if need redirect pages, or set canonical non-www to
# www redirect (or vice versa), place code here. ensure those
# redirects use correct rewriterule syntax , [r=301,l] flags.
#
## end - custom redirects

##
# uncomment following line if webserver's url
# not directly related physical file paths.
# update joomla! directory (just / root).
##

# rewritebase /

## begin - joomla! core sef section.
#
rewriterule .* - [e=http_authorization:%{http:authorization}]
#
# if requested path , file not /index.php , request
# has not been internally rewritten index.php script
rewritecond %{request_uri} !^/index\.php
# , request within component folder,
# or site root, or extensionless url, or the
# requested url ends 1 of listed extensions
rewritecond %{request_uri} /component/|(/[^.]*|\.(php|html?|feed|pdf|vcf|raw))$ [nc]
# , requested path , file doesn't directly match physical file
rewritecond %{request_filename} !-f
# , requested path , file doesn't directly match physical folder
rewritecond %{request_filename} !-d
# internally rewrite request index.php script
rewriterule .* index.php [l]
#
## end - joomla! core sef section.