Closed off, the result is still the same,
after www.joomlauy.org/administrator/ next login, you automatically jump to the www.joomlauy.org/index.php page to display a 404 error page.
I replace the file under the current administrator, said the new joomla2.5.3 administrator, the result is above.
It seems the database, but do not know what table?

For some reason, the login form in your administration area uses:

instead of:

which causes it to redirect to your front page.
You can try disabling SEF completely by editing Joomla's configuration.php file in your website root directory.
Find the line:

and change it to:

Hello! Problem has been solved, thank you!
JoomSEF support IIS7 you? URL rewriting is how to set up?

Hi,
You need to use the URL Rewrite configuration for your website in IIS 7, and set the same rules as are defined in default Joomla's htaccess file, but in IIS format.
We can also install JoomSEF on IIS for you as a paid service: www.artio.net/e-shop/joomsef/joomsef-ins...-installation-on-iis

Hello!
the € 80 that contains IIS installation and JoomSEF VIP? Available for download ID？Term of service?
This fee is a server or a Web site? An IP on a server, how fees have more than one website?
Subdomain is a separate charge?

Hi,
The price contains only the installation and configuration service, license for paid version of JoomSEF is not included.
Our e-shop's terms of service are located at: www.artio.net/e-shop/terms-of-service
The installation is usually for only one website (one Joomla installation), but if other websites are running on the same server, we could offer you some discount for them. You can contact us at Diese E-Mail-Adresse ist gegen Spambots geschützt! Du musst JavaScript aktivieren, damit Du sie sehen kannst. with your specific requirements.