This is the Firefox version: Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:220.127.116.11) Gecko/20100914 Firefox/3.6.10
I also have some developer add ons installed which may or may not cause a conflict.
Fiddler Hook (obviously installed with Fiddler)
I also have Java in the list of add ons and something called Default Manager
The plugin tabs shows Silverlight, Flash, Java, some MS Office 2010 plugins, Adobe Acrobat Reader, Google Update and something called WPI Detector.