The utility program MpCmdRun.exe is required to run Windows Defender commands. This file is usually located in the C:\Program Files\Windows Defender folder. Note down ...

Windows Defender is a capable antivirus solution built into Windows itself. Unless you’ve installed a different antivirus program on your Windows 11 or Windows 10 PC, your PC is using it right now.

If Windows Defender is blocking Avast antivirus on your system, use the following fixes to resolve the issue. Some users were able to fix this issue by disabling the Secure Boot. Secure Boot helps ...

Windows Defender received a small security upgrade you may have missed. You can now block vulnerable drivers via the Microsoft Vulnerable Driver Blocklist. This option is for Windows Defender on ...

Ask your administrator Start Windows Security Health Service Reinstall using Windows Terminal Check Group Policy settings Use System Restore point Before you begin, you should know that now Windows ...

Microsoft has pulled a recent Microsoft Defender update that was supposed to fix a known issue triggering persistent restart alerts and Windows Security warnings that Local Security Authority (LSA) ...

This past week Microsoft released the Patch Tuesday updates for August 2025 on Windows 10 (KB5063709 / KB5063877 / KB5063871 / KB5063889) and for Windows 11 (KB5063878, KB5063875). Aside from that, ...

Microsoft has resolved an issue that breaks multiple Microsoft 365 Defender features using the network data reporting service after installing July's Windows Server updates. The Microsoft 365 Defender ...

A Dec. 12 posting to Microsoft’s security update guide has confirmed that a Windows Defender vulnerability, rated as critical according to Microsoft itself, could have enabled an attacker who ...