To enable Active X control on IE
a) Go to Tools-->Internet Options
b) Select security tab
c) Click on Trusted Sites (or Local Intranet depending on whether your site is trusted or not)
d) Click on Custom Level
e)
Ensure that "Initialize and script active x controls is not marked safe
for scripting" is enabled - this comes under Activex controls and
plug-ins section towards 1/4th of the scroll bar.
Click OK, OK.
Once
this is completed, clear the browser cookies and cache. Close all your
browser sessions. Reopen the IE to launch your site.