This guide is intended to aid users in troubleshooting the Microsoft Defender app on iOS, Android, or Windows devices and solve app problems, errors, connection issues, installation problems, and ...

When updating Windows Defender, you may encounter the error code 0x80004004. It happens when Windows Defender fails to download updated definitions from the Microsoft ...

Microsoft has decided to re-release its Windows 11 KB5007651 after one of its updates broke the Windows Security interface. The update in question was known as the Windows Defender Security update.

is a senior editor and author of Notepad, who has been covering all things Microsoft, PC, and tech for over 20 years. Microsoft is launching a new Defender cybersecurity app across Windows, macOS, iOS ...

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.

PCMag editors select and review products independently. If you buy through affiliate links, we may earn commissions, which ...

is a senior editor and author of Notepad, who has been covering all things Microsoft, PC, and tech for over 20 years. Microsoft is launching a preview version of its antivirus software for Android ...

You can manage settings and control virtually any aspect of the Microsoft Defender Antivirus using PowerShell commands, and in this guide, I'll help you get started. When you purchase through links on ...