Start Microsoft security essentials not updating through proxy

Microsoft security essentials not updating through proxy

It replaces Windows Live One Care, a discontinued commercial subscription-based AV service, and the free Windows Defender, which until Windows 8 protected users from only adware and spyware.

On 13 September 2011, at the Build conference in Anaheim, California, Microsoft unveiled the developer preview of Windows 8, which had a security component capable of preventing an infected USB flash memory from compromising the system during the boot process.

It replaces Windows Live One Care, a discontinued commercial subscription-based AV service, and the free Windows Defender, which until Windows 8 only protected users from adware and spyware.

It automatically checks for and downloads the virus definitions it relies on from Microsoft Update, a web-based software service updated three times a day.

If said license is found to be invalid, the software will notify the user and will cease to operate after a period of time.