Internet Explorer 8

Running UTM-M4 version 3.810-4 as a virtual machine on ESXi 4.1 update 1.

UTM-M4 seems to work well in Firefox 13 and Internet Explorer 9 but neither portal displays in Internet Explorer 8. Is support for IE 8 being dropped or is this a bug?

Webpage error details (for WedAdmin)

User Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.2; Trident/4.0; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)
Timestamp: Thu, 28 Jun 2012 14:34:02 UTC

Message: Expected identifier, string or number
Line: 492
Char: 9
Code: 0
URI: https://xx.xx.xx.xx:4444/core/js/ajax.js?t=1340894031

Message: Expected identifier, string or number
Line: 1816
Char: 13
Code: 0
URI: https://xx.xx.xx.xx:4444/core/js/ng_...s?t=1340894031

Message: 'AjaxReqQueue' is undefined
Line: 1567
Char: 1
Code: 0
URI: https://xx.xx.xx.xx:4444/wfe/asg/js/...s?t=1340894031

Message: Object expected
Line: 2853
Char: 7
Code: 0
URI: https://xx.xx.xx.xx:4444/