Antivirus uninstaller software free download If your upgrading to a NEW Antivirus program or your having a issue with your Antivirus program and you going to uninstall. Using the Windows removal tool (Add/Remove Programs) is often insufficient. So here is a list of un-installers from the software company who make the Antivirus software. Just double click on the logo of your chosen Antivirus to get the installer or uninstall process.