dmeikle, Atlas Setup that you have donwloaded clearly states it is Beta version.

It does not run on my home PC but its does on my office PC.

To solve the problem once in for all I downloaded the AjaxPro Source Code (an older stable version for DOT NET Ajax made available by the third party vendor called Ajax Pro Vendor for free )

Make the DLL out of the source code and refer it in ur project

Start using it. It works very fine on my both PCs.

But Atlas when installed on my office system also worked fine. It offers some really cool tools like the UpdatePanel i.e. a panel where in u must drop your server control and all its events, although coded on server side like normal submit control, would automatically turn into Client side giving it a sleek look.

Impressive!