MSIE 8 issue with Corporate

Hi Guys,

I've installed Corporate from the quick install, upgraded to j.1.5.21.

I get the following error:

Webpage error details

User Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; .NET CLR 2.0.50727; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)
Timestamp: Fri, 12 Nov 2010 11:56:19 UTC


Message: Invalid argument.
Line: 31
Char: 1
Code: 0
URI: iasca.ie/media/system/js/mootools.js

Any ideas?

BUMP:)