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Remove specific prevalent malware with Windows Malicious Software ...
Microsoft generally releases the MSRT on a monthly cadence as part of Windows Update or as a standalone tool. (For exceptions, see Skipped releases.)Use this tool to find and remove specific prevalent threats and reverse the changes that they made (see Covered malware families).For comprehensive malware detection and removal, consider using Windows Defender Offline or Microsoft Safety Scanner.
Automatically fix Windows security issues - Microsoft Support
Follow these steps to automatically diagnose and repair Windows security problems by turning on UAC, DEP protection, Windows Firewall, and other Windows security options and features. Select the Download button on this page. In the File Download dialog box, click Run or Open, and then follow the steps in the Windows Security Troubleshooter. Notes:
Remove malware from your Windows PC - Microsoft Support
Microsoft Defender Antivirus is a powerful tool that finds and removes malware from your PC. Here's how to use it in Windows 10 or 11 to scan your PC. Important: Before you use Microsoft Defender Offline, make sure to save any open files and close apps and programs. Open your Windows Security settings.
Applies To: OneDrive (home or personal), OneDrive for Windows
Fix problems that block programs from being installed or removed
The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs. It also fixes corrupted registry keys. First, you'll need to download the troubleshooter. Download troubleshooter. If you see the File Download box when you start downloading, select Run or Open.
April 23, 2024—KB5036980 (OS Builds 22621.3527 and 22631.3527) Preview
Release Date: 4/23/2024. Version: OS Builds 22621.3527 and 22631.3527. 2/27/24. IMPORTANT: New dates for the end of non-security updates for Windows 11, version 22H2. The new end date is June 24, 2025 for Windows 11, version 22H2 Enterprise and Education editions.
Error 0x803f9007 occurs when a game won't work on your Xbox
Solution 1: Insert the game disc properly. If the game is disc-based, insert the game disc into your Xbox console. Make sure that it’s inserted properly. Solution 2: Sign in and connect to the Xbox network. If the game was purchased and downloaded, make sure to sign in and connect to the Xbox network with the profile you used to purchase the game.
Turn Windows Security on or off - Microsoft Support
When you get a new device and start up Windows 10 for the first time, the antivirus protection that comes installed with the device is your default security app.
Installing Microsoft Defender - Microsoft Support
Download Microsoft Defender on your devices either by: Scanning the following QR code. Searching for Microsoft Defender in your app store. Sharing with your devices, the following link: Copy link. We encourage you to install Microsoft Defender on at least five devices per person.
Applies To: Microsoft Defender on Android, Microsoft Defender on iOS, Microsoft Defender on Mac, Microsoft Defender on Windows
April 9, 2024—KB5036893 (OS Builds 22621.3447 and 22631.3447)
This update makes quality improvements to the servicing stack, which is the component that installs Windows updates. Servicing stack updates (SSU) ensure that you have a robust and reliable servicing stack so that your devices can receive and install Microsoft updates.
How to install programs from a disc on Windows 10
See how to install programs on Windows 10 from a CD or DVD, from the internet, or from Microsoft Store.