Free antivirus program that provides real-time protection against viruses, spyware and other malware threats. Running more than one antivirus program at the same time can potentially cause conflicts that affect PC performance. Download Official, antivirus solution from Microsoft for Windows.

The utility functions in the background, so it. Check the windows update service, it should be in running stage, try to do update the windows Download and run the Microsoft fixit. Microsoft Security Essentials runs quietly and efficiently in the background so you’re free to use your Windows-based PC the way you want-without interruptions or long computer wait times.īefore installing Microsoft Security Essentials, we recommend that you uninstall other antivirus software already running on your PC. Microsoft Security Essentials for Windows 7 - software that detects viruses, trojans, rootkits and other malware.

Microsoft Security Essentials is a free download from Microsoft that is simple to install, easy to use, and always kept up-to-date so you can be assured your PC is protected by the latest technology.

Microsoft essential security download