WordPress 3.2 Issue

Apologies if there is already a topic for this but while I have seen other topics with problems in 3.2 none seemed to be exactly what I was getting.

Since upgrading I can no longer insert images into posts or use the Screen Options button on the new post page. When I try I get the following error (domain removed). The second error is what occurs when I try and insert a image from the media gallery.

As you can see I’m using IE8 on Windows 7 (it’s in a school so upgrading isn’t an option at the moment) and would appreciate any help you could offer.

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Webpage error details

User Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; Tablet PC 2.0)
Timestamp: Tue, 5 Jul 2011 07:26:59 UTC

Message: Object doesn’t support this property or method
Line: 18
Char: 19570
Code: 0
URI: http://mydomain/8xit5/wp-admin/load-scripts.php?c=1&load=jquery,utils&ver=fb5c271ac01e8186b23ece33d5ce4961
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Webpage error details

User Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; Tablet PC 2.0)
Timestamp: Tue, 5 Jul 2011 07:29:19 UTC

Message: Object doesn’t support this property or method
Line: 18
Char: 19570
Code: 0
URI: http://mydomain/8xit5/wp-admin/load-scripts.php?c=1&load=jquery,utils,swfupload-all,swfupload-handlers,json2,jquery-ui-core,jquery-ui-widget,jquery-ui-mouse,jquery-ui-sortable,admin-gallery&ver=3a5169c2e20d0859bf81e66629034492
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