Protect your privacy, identity, and devices with Windows Security. Explore Windows 11 security features like Microsoft Defender Antivirus that help keep you and your PC safe.
Safeguard your business with Microsoft Windows 11 security. Explore App Control for Business, cloud-based protection, identity security and more for robust device defence.
Feb 11, 2023 Windows Security won't open on Windows 11 I have tried everything I can think of, I've had two friends who deal with IT problems look at my computer via shared screen with no luck. Since updating to Windows 11 I never noticed Windows Securit......
Reset Windows Security app: Go to Settings > Apps > Apps & features. Find Windows Security, and click Advanced options. Click Reset. If none of these steps work, you may need to perform a clean install of Windows 11 to resolve the issue. (external link removed by moderator)...
Tip:On Windows 11 you may have to selectShow more optionsafter you right-click to see the option to scan the file or folder. If you suspect there's malware or a virus on your device, you should immediately run a quick scan. Run a quick scan in Windows Security ...
Encrypt the data: Enable device encryption from the Windows 11 settings screen to protect data stored on the device. While it’s easy to recommend all the steps above, putting them into practice is another matter. Even if you use mobile device management (MDM) software to update every PC in...
Tip: On Windows 11 you may have to select Show more options after you right-click to see the option to scan the file or folder. If you suspect there's malware or a virus on your device, you should immediately run a quick scan. Run a quick scan in Windows Security Note: B...
With Windows 10 running on modern hardware, a hardware-based root of trust helps ensure that no unauthorized firmware or software (such as a bootkit) can start before the Windows bootloader. This hardware-based root of trust comes from the device's Secur...
With Windows 10 running on modern hardware, a hardware-based root of trust helps ensure that no unauthorized firmware or software (such as a bootkit) can start before the Windows bootloader. This hardware-based root of trust comes from the device's Secure Boot feature, which...
This security update is rated Critical for Microsoft .NET Framework 1.0 Service Pack 3, Microsoft .NET Framework 1.1 Service Pack 1, Microsoft .NET Framework 2.0 Service Pack 2, Microsoft .NET Framework 3.5.1, and Microsoft .NET Framework 4 on all supported editions of Microsoft Windows; and ...