上传到主机时,为什么无法在Codeigniter中访问我的控制器?

I got below errors when I try to call some controller in Codeigniter.

I have upload my website to hosting and I also try to find the solution to edit

PHP.ini

; UNIX: "/path1:/path2"
include_path = ".:/php/includes"
;
; Windows: "\path1;\path2"
 include_path = ".;c:\php\includes"

But it still not work for me moreover I also check on Routing and Configure it have something metter. and that hosting let me change the version of PHP I try to change from old to newest version and PHP.ini but still the same

Note:It it is good working at my Localhost;

What is my wrong configure or my codeing because I get this (ERROR - 11-30-14 13:01:35 --> 404 Page Not Found: register//index) Where //index always add automatic after I type my controll name

A PHP Error was encountered

Severity: Warning

Message: include(application/views/errorshtml/error_404.php): failed to open stream: No such file or directory

Filename: core/Exceptions.php

Line Number: 169

And

A PHP Error was encountered

Severity: Warning

Message: include(): Failed opening 'application/views/errorshtml/error_404.php' for inclusion (include_path='.;c:\php\includes')

Filename: core/Exceptions.php

Line Number: 169

How could I do? Please help