https://www.dotnetzone.gr:443/cs/blogs/birbilis/archive/2010/02/24/update-for-ie8-json-javascript-object-notation-following-ecmascript-5th-edition-syntax.aspxJust noticed an update (released as important) by Microsoft via Windows Update regarding IE8's JSON support. Quoting from http://support.microsoft.com/kb/976662 : Windows Internet Explorer 8 is the first Microsoft Web browser that includes native supportelCommunityServer 2.1 SP3 (Build: 20423.1)