Turn on real-time and cloud-delivered protection Select the Start menu. After that, try restarting the Virus and Threat Protection using the “Restart now” button.
Also try to take Ownership of a registry key HKLM\Software\Policies\Microsoft\Windows Defender and grant yourself Full Control permissions.
Try to stop all Windows Defender related services before changing the registry. How do I fix Windows Defender threat Service has stopped? As reported in this and this thread, restarting Security Center service can help in solving the problem. Many times the issue is resolved by simple restart. What is wrong with Windows Defender?įactors contributing to these issues may include malware infection, software conflicts (possibly with another antivirus program), corrupted registry, etc. We recommend all customers move to Windows 10 and Windows Defender Antivirus for our best security option. Windows 7 is no longer supported and availability of new installations of Microsoft Security Essentials has ended. Restart Windows Defender and it should be working properly again.ĭoes Windows Defender still work on Windows 7? How to fix the Windows 10 antivirus bug Click on the Start Menu and type ‘Windows Security’ Open the app and click ‘Virus and security protection’ Check for updates and install the latest version. Is there a free antivirus for Windows 7?.How do I know if Windows Defender is installed?.How do I manually install Windows Defender?.How do I reinstall Windows Defender firewall?.How do I start Windows Defender in Windows 7?.How do I turn on Windows Defender after uninstalling antivirus?.How do I fix Windows Defender threat Service has stopped?.Does Windows Defender still work on Windows 7?.