IE 9 Javascript error c00c023f

Question

I came across this error only on IE9:

SCRIPT575: Could not complete the operation due to error c00c023f.

The error happened on

Answer 1

Within the readyState==4 routine, include a try and catch similar to:

try {
    var response=xmlHttp.responseText;
    }
catch(e) {
    var response="Aborted";
}

We found that this to be the most successful resolution to the above.