Digital code signing
If your browser, Firefox 3.11, has the plugin to use ActiveX or it is bad news.
Not sure what you are trying to do or what kind of ActiveX calls you have in your HTML code. However, the easiest way to remove anything from an HTML document is to highlight what you do not want and press the delete key.
This article explains the risks involved in enabling ActiveX controls and how the Trust Center in the 2007 Microsoft Office system can help to mitigate these risks. In this article, the term document can mean any Office file that can contain ActiveX controls.To learn more about the Trust Center, you can read View my options and settings in the Trust Center.For information about Office 2003 and ActiveX, you can see the Allow ActiveX Controls article at Microsoft.
One way to get ActiveX is to use the extension IE Tab, which is available for download below in the Related Linkssection
I have to activate activex control!....
s ActiveX a Mobile code
ActiveX controls can modify the properties of objects in an application.
Google Chrome doesn't naturally support ActiveX, but there is one way to force it: Internet Explorer does support ActiveX.
ActiveX is a proprietary technology created and maintained by Microsoft available exclusively to Windows. You will not be able to run anything ActiveX on Linux.
ActiveX is a small program that can be downloaded by a web site to your computer, sometime without your knowledge. Microsoft invented ActiveX controls so that web sites could use some nifty multimedia features, however ActiveX controls allow web pages to execute program code on your machine - there's no way for you to know ahead of time whether that code is harmless or a malicious attack on your computer. To answer the question it is no but malicious software writters will use ActiveX because it can get into windows system easier.
To install ActiveX Control, one would need to navigate to Adobe's official website. ActiveX Control is bundled with the latest version of Adobe Flash Player, although there are easily distinguishable to upgrade a downgrade your version of ActiveX software.