Many times we uninstall a software program but some program files and registry entries are left in our system.
AppRemover is a free portable utility that enables you to remove antivirus and other applications as well as left over files from incomplete uninstallations easily and quickly. There's no more need to mess around with your registry.
It enables the thorough uninstallation of security applications like antivirus and antispyware from your computer.
It covers applications from McAfee, Norton, Trend Micro, avast and many more.

It supports Windows 2000, XP, Server 2003, Vista, Server 2008 and Windows 7. Both 32-bit and 64-bit Windows versions are supported.
You can download it using following link:
Thanks to "Yavin" for sharing it...
PS: You can also read following article to know about official uninstallers for various well known antivirus software:
Collection of Uninstallers / Removal Tools for All Popular Anti-Virus Software
Also check:
How to Completely Uninstall / Remove a Software Program in Windows without using 3rd Party Software?
Posted by: Vishal Gupta | Categories: Software
Rimmaljot Kaur
Hats off to you , great site its 1 hour and iam still going thro' the content on your site, i must say yours is one of most complete site as far as "Windows" is concerned, one thing i must share plz don't enable dream scene effect in windows 7, icons are turned black, otherwise other tweaks just mesmerized me regarding windows 7, it is one hell of piece of operating system,thanks again for your contribution, Rimmi
Someone
Who wants to remove their antivirus software?
Kwesi C
Does this remove COMODO? I'm trying to reinstall it, and it keeps saying that it's installed, but it's not.
Leon Seng
Is this a portable app?
Joji
Question, does this remove all the things in a program? Like even though left overs... just like Revo Uninstaller?
~Joji~