Question : ASP.Net AJAX Client Framework failed to load.

I am getting the following error and i'm not sure how to tackle it

ASP.Net AJAX Client Framework failed to load.

Answer : ASP.Net AJAX Client Framework failed to load.

was it that error?

http://forums.asp.net/t/1243449.aspx

if yes it said to check if the "web.config explicitly references the 2.0 versions of of the extensions.

Also check for the "Browser Compatibility and Security Settings" of your client

http://www.asp.net/AJAX/Documentation/Live/BrowserCompatibilityForASPNETAJAX.aspx