No input file specified

[eluser]Sara rad[/eluser]
Hi friends ...

when i upload my script script showed this error . i read very topics about this problem and test very ways but just this way work for me :

Htaccess :

Code:

RewriteEngine on
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.*)$ /index.php?$1 [L]

Config :

Code:

$config['index_page'] = 'index.php?';
$config['uri_protocol']    = 'QUERY_STRING';

And now when user redirect to another page url like that it :

www.site.com/index.php?/profile/user/../username

or when user click on this link :

http://site.com/posts/id/1

in url bar url is a :

http://site.com/index.php?/posts/id/1

can i remove this ? how ?

and image with lowercase don't showed in site , Error pages style and js not loaded .

i need help

Regards