An I/O stress test is running on a Windows 8 or Windows Server 2012-based client against the failover cluster. The stress test has a high ratio of open and close operations to data operations. For example, the test repeatedly opens a file on the file share, reads the file, and then closes the file.

Restart requirement. You must restart the computer after you apply this hotfix. Hotfix replacement information.

This issue is caused by a deadlock scenario in the Netio.sys driver. The deadlock scenario occurs when an endpoint is deleted and when an endpoint is added at the same time. Resolution. Hotfix information. A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article.

Learn how to update your Surface drivers and firmware for Windows 10 or Windows 11. Find links for automatic or manual updates, and check your Surface model and OS build.

When you use the Retail Demo Experience Feature on Demand (FOD) for the Hong Kong (zh-HK) and Taiwan (zh-TW) markets, you see some images that contain Korean text. This issue affects only OEMs who are building Windows 10 Version 1511 computers by using the Retail Demo Experience FOD.

Learn how to download and use the Office offline installer to install Microsoft 365, Office 2021, Office 2019, or Office 2016 on your PC. Follow the steps for your plan and activate Office after installation.

Learn how to install an update for Universal C Runtime (CRT) in Windows to enable applications that depend on Windows 10 CRT to run on earlier Windows operating systems. Find out the prerequisites, download links, and update details for different Windows versions.

The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information" section. MUM, MANIFEST, and the associated security catalog (.cat) files, are very important to maintain the state of the updated components.

The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information for Windows 7 and for Windows Server 2008 R2" section. MUM and MANIFEST files, and the associated security catalog (.cat) files, are extremely important to maintain the state of the updated ...

Learn how to install, uninstall, and troubleshoot the security update for MSXML 4.0, which fixes a vulnerability in the XML parser. The update installs the Msxml4.dll file in the System32 folder and supports side-by-side installation with other MSXML versions.