>I just want to share my experience and may be there are some ideas of better solution.
>
>Yesterday UT stopped responding for me (I am using IE 9.0) and all attempts to re-load in a new tab or a new IE session (and keep my other open IE windows opened) resulted in not responding.
>
>So, I tested UT in Google Chrome and it opened there just fine except that it was prompting me for the plug-in and that's why I use UT in IE.
>
>Finally, I closed all IE windows, re-opened it and now it works.
>
>This is not the first time when the same problem occurs. It looks like if it stopped loading, I am unable to re-load it until I close IE completely.

This is something I have experienced with IE a few times. The only way I have found so far is to close all instances and restart. It seems to be related to some kind of caching issues but I cannot find what is causing that.