id	summary	reporter	owner	description	type	status	priority	milestone	component	version	severity	resolution	keywords	cc
15209	$_SERVER['REQUEST_URI'] Doesn't always work correctly	RanY		"I had problems with links in the admin panel.
Some of the Query Vars returned twice.

The Normal Link should be:
wp-admin/edit.php?post_type=page&paged=2

But it appears as:
wp-admin/edit.php?post_type=page?post_type=page&paged=2

And that broke the link. the solution is to use 
{{{
$GLOBALS['HTTP_SERVER_VARS']['REQUEST_URI'];
}}}

Instead of 
{{{
$_SERVER['REQUEST_URI'];
}}}

I've changed all the $_SERVER['REQUEST_URI'] in functions.php and All works!

Source for the solution:
http://ckon.wordpress.com/2006/08/09/server-request_uri-doesnt-always-work-correctly-heres-how-to-fix/

"	defect (bug)	closed	normal		General		normal	worksforme