There is a 'jQuery' error!

3.0 and 3.0.1

<img>http://i35.tinypic.com/4g7wo.png</img&gt;
http://i35.tinypic.com/4g7wo.png

Web page error details

Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E)
Tarih damgası: Tue, 3 Aug 2010 22:01:04 UTC

It’s IE 8 error message:

Message: ‘jQuery’ undefined
Row: 1
Character: 1
Code: 0
URI: http://——/wp-admin/load-scripts.php?c=0&load=hoverIntent,common,jquery-color,jquery-ui-core,jquery-ui-sortable,jquery-ui-draggable,jquery-ui-droppable,admin-widgets&ver=6ab5d9164d12198df4b7c42c038328b0

and

http://——/wp-admin/widgets.php#available-widgets
I can not change any widgets.They aren’t open or move.This problem is in 3.0 and 3.0.1.
But 2.9.x version without error.It works great.
Please help me 🙁