If Windows cannot find MicrosoftSecurityApp.exe, then this post will help you. MicrosoftSecurityApp.exe is part of the Microsoft Defender app that is available in the Microsoft Store.

It is selected by default in your Windows Security app. You can open the app and perform a quick scan right away. Read: Quick Scan not working in Windows Defender.

The Microsoft Defender Antivirus software (also known as Windows Defender) is at the core of standard Windows security, but in late March, an update to it caused a concerning bug with the Windows ...

Telling the two apart can be confusing because Microsoft Defender is essentially part of Windows Security, but there are also extra features available in a separate app.

Microsoft Defender (previously Windows Defender) is automatically enabled when you set up Windows 11, so you don’t have to do anything to ensure basic protection for your data.

You can check whether Defender is active for you via Windows icon > All apps > Windows security > Virus and threat protection and then under “Who is protecting me” on the right-hand side.

Microsoft Defender is the anti-virus software included with a subscription to Microsoft 365 and available on various operating systems. Don't confuse it with Windows Defender, the security system ...

How-To How to prevent Windows Defender from ruining your gaming performance Neutralize this performance-sapping app! By Dominic Bayley Australian Editor, PCWorld Aug 30, 2024 6:00 am PDT ...

Microsoft’s free built-in security software for Windows PCs, Defender Antivirus, provides excellent anti-malware protection for Windows PCs. However, it lacks some extras found in third-party ...