Each release of the tool helps detect and remove current, prevalent malicious software. This malicious software includes viruses, worms, and Trojan horses. Microsoft uses several metrics to determine the prevalence of a malicious software family and the damage that can be associated with it.

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.

If you are having issues installing or updating Gaming Services on your PC, or if you are noticing that the Xbox app for PC is launching with missing content, you may want to download and run the Gaming Services Repair Tool for PC.

This update prevents you from receiving error messages that are related to the application manifest expiry feature of the AD RMS clients. This fix is also necessary for Windows Rights Management clients. This update ensures continued compatibility between RMS-enabled applications and the RMS client. As a follow up to the Office 2003 Information ...

This article describes an issue in which the iSCSI target service crashes randomly on a Windows Server 2012 R2 server. An update is available to fix this issue. Before you install this update, see the Prerequisites section.

Method 1: Windows Update. This update is available from Windows Update. For more information about how to run Windows Update, see How to get an update through Windows Update. Method 2: Microsoft Download Center. The following files are available for download from the Microsoft Download Center.

This article describes an issue that occurs when you print documents in Windows 8.1, Windows RT 8.1, Windows Server 2012 R2, Windows 7 Service Pack 1 (SP1), or Windows Server 2008 R2 SP1. A hotfix is available to resolve this issue. The hotfix has prerequisites.

Resolves a vulnerability in Internet Information Services (IIS) that could allow remote code execution if a user received a specially crafted HTTP request.

Fixes an issue in which the NFS service freezes on a Windows Server 2012 cluster and a client computer can't access the NFS share.

This article describes an update that adds Microsoft Hyper-V integration components (integration services) to Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Server 2008 R2, or Windows Server 2008.