Fix your audio drivers. Hardware problems can be caused by outdated or malfunctioning drivers. Make sure your audio driver is up to date and update it if needed. If that doesn't work, try uninstalling the audio driver (it will reinstall automatically).

Describes how to resolve a security feature bypass vulnerability exists in the way the Key Distribution Center (KDC) determines whether a Kerberos service ticket can be used for delegation through Kerberos Constrained Delegation (KCD).

For Windows 8.1, see Create a USB recovery drive. To download Windows 11 installation media, see Recovery options in Windows. Create a recovery drive so you can reinstall Windows 10 or Windows 11 in case you experience a major issue such as hardware failure.

Manually update Surface drivers and firmware. Manual updates are useful if you need to update an offline device, update many devices that are all the same model, or if you’re creating system images for your organization.

You can use installation media (a USB flash drive or DVD) to install a new copy of Windows, perform a clean installation, or reinstall Windows. To create installation media, go to the software download website, where you'll find step-by-step instructions.

Find out how to submit a request for a refund for a purchase of digital Xbox content.

How to use the PC Health Check app. Windows 11 Windows 10. PC Health Check app brings you up to date info on your Windows device health, helping you take action to improve your device performance and troubleshoot performance problems.

In the search box on the taskbar, type device manager, then select Device Manager from the menu.

要利用此漏洞，配置用于使用 KCD 的被盗用的服务可能会篡改 Kerberos 服务票证，委派强制 KDC 接受票证时无效。. 这些 Windows 更新通过更改 KDC 借助 KCD 验证 Kerberos 服务票证的方式来解决此漏洞。. 若要详细了解此漏洞，请参阅 CVE-2020-17049 。. 采取操作. 若要保护 ...

If you're having problems with Windows 11 on your PC or you want a fresh copy of Windows 11 without the clutter of old files or apps, you can reinstall Windows 11 to try and fix your issues and return your PC to a cleaner state.