Hello.  A user in the forum say this:

Hello. 

Just work on Internet Explorer.    Please install ActiveX. 

I have replaced in hcl/class/js/aardvark.  php

Code:

this.   fallback = false;

to

Code:

if (navigator.   appName == 'Microsoft Internet Explorer') {
       this.   fallback = false;
} else {
          this.   fallback = true;
}


to fix firefox issue and keep default setting for IE.      Also, now helpcenterlive works fine in Opera browser too.