Windows Live OneCare: http://download.microsoft.com/download/4/c/b/4cb845e7-1076-437b-852a-7842a8ab13c8/OneCareCleanUp.exe ZoneAlarm: Complete full uninstall of ZoneAlarm: Go to http://www.zonealarm.com/security/en-us/support/zonealarm-service-support.htm, and the search for "uninstall".

This directory contains several files, and it includes the Mrtstub.exe file. Most of the time, this folder is automatically deleted after the tool finishes running or after the next time that you start the computer. However, this folder may not always be automatically deleted.

This issue may occur when deceptive software, such as spyware that is known as "grayware," is installed on your computer. This kind of software may come bundled with software that you want to install or may be included with downloaded web components.

Real-time protection is a feature in the Windows Security app that continuously monitors your device for potential threats such as viruses, malware, and spyware.

Solve problems with detecting and removing malware with Windows Security, including incomplete scans, detection errors, and persistent malware.

Microsoft Security Essentials is free and can help protect your home or your small business system from viruses, spyware, and other malware. For more information, visit the following Microsoft webpage:

Viruses, ransomware, spyware, and more are all types of malware. Microsoft Defender has powerful built-in features that can help protect your device against malware.

Learn how to remove malware from your PC by using Windows Defender in Windows 8.1 or Microsoft Security Essentials in Windows 7.

Microsoft security software protects you against malware, spyware, adware, and other unwanted software; you don't need to install any other real-time antivirus or antispyware software.

Troubleshoot problems with updating virus and spyware definitions for Microsoft Security Essentials.