We just upgraded to MSIE8 a couple of days ago and have noticed that some links don't want to load, even with Pop-up Blocker turned off, and toss up a "Class Not Registered" error.
Here's one example:
URL:
http://www.aetna.com/docfind/provSummarySearch.do?geo1=city&city=Houston&state=TX&provider_category=medical&search_cat=spec&product=ACPMC%7CAetna+Open+Access+POS+II&prov_country=usa&spec_prctc_cd=10601%7CDermatology&stateval=TX&groups=100&site_id=provider&langpref=en&sortOrder=ASC&sortBy=name&lastProvRow=0&button_flag=S&servReqIpa=GROUPIPACAL&flagIpaFlow=&flagIpaUpdateFlow=&secureStatus=Y&flagHospFlow=M&flagUpdateFlow=&pinSearchGlbInd=Y
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 3.0.04506.648; .NET CLR 3.5.21022; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729; .NET CLR 1.1.4322; .NET4.0C)
Timestamp: Tue, 17 May 2011 14:54:37 UTC
Message: Class not registered
Line: 594
Char: 1
Code: 0
URI:
http://www.aetna.com/docfind/assets/js/functions.js
Thanks!!