Added to post Jun-19-2014
Thanks Bond. Since you had IE9, I appreciate your test. Hopefully if somebody out there has IE 10 they will test it, too. It does not mak
Looks like later versions of IE is not supporting HTA as mentioned in the other answers.
One solution to your problem is: Make your HTA file navigable (HTA attribute navigable="yes") and do not specify any x-ua-compatible meta tags. In the HTA file navigate to another file which has the x-ua-compatible tag. The file you navigated will have the HTA priviliges:
HTA File:
htacontent.htm
...