Windows 8 defender updates

Question

I have windows 8 and with windows defender. When I try to update windows defender for malware, viruses, spyware etc. My defender will go into update but never updates. What could be stopping it? I already went into my system and tried to fix the problem but it didnt work.

Answer 1

Guess what, Windows Defender requires TLS 1.2 enabled. Enable the TLS 1.2 protocol.

Install KB3140245 for Windows Embedded 8 Standard.

http://catalog.update.microsoft.com/v7/site/search.aspx?q=kb3140245

Go to

https://www.winhelponline.com/blog/media-creation-tool-error-0x80072f8f-0x20000/

download and run the file enable_tls.reg.

Answer 2

Whoops,.! The moderator is right on the money..

forgot that "Windows Defender" is a built-in antivirus

program in windows 8 and 8.1 : The users can

only disable and reenable it. For testing

purposes. So to the OP who

posted this question

take note of it

Answer 3

You can't uninstall/reinstall Defender in Windows 8.

It is part of the operating system.

Answer 4

Not 100% sure with this : But the Windows defender in

                                    windows 8 and 8.1 - May Not be supported anymore

            according, with this. Microsoft LifeCycle Policy 

Link : Windows Defender For Windows 8 and 8.1 - Microsoft Lifecycle | Microsoft Learn

-- You can try to uninstall and Reinstall - Windows Defender -

and verify. if update its definitions : if need further help. Let us know