An attacker who successfully exploited the vulnerability might bypass secure boot and load untrusted software. This security update addresses the vulnerability by adding the signatures of the known vulnerable UEFI modules to the DBX. To learn more about this security vulnerability, see the following advisory:

Microsoft guidance for applying Secure Boot DBX update (KB4575994) - Microsoft Support. NOTICE. This article has been deprecated. Previously, this article discussed how to manually apply Secure Boot Forbidden Signature Database (DBX) updates to the operating system. This process is no longer necessary.

Step 1. Download the offline installer from your account portal. To download the offline installer, go to www.office.com. If you're not already signed in with the Microsoft account associated with your copy of Microsoft 365 or Microsoft 365 do that now.

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.

Swipe in from the right edge of the screen, and then tap Search.Or, if you are using a mouse, point to the lower-right corner of the screen, and then click Search.Type Command Prompt in the Search box, right-click Command Prompt, and then click Run as administrator.If you are prompted for an administrator password or for a confirmation, type the password, or click Allow.

Ways to connect your controller to a Windows PC. Collapse all. Connect your controller via USB cable. Plug a micro-USB charging cable into the top of the controller and plug the other end into your PC.

Download drivers and firmware for Surface - Microsoft Support. Windows 11 Windows 10 Surface. Updates keep your Surface performing its best. Along with software updates for Windows 10 or Windows 11, it's important to make hardware updates, also known as updates for drivers and firmware.

Info. Questions about a refund email? We’re investigating this issue now. In the meantime, sign in to your account to see your latest refund request status. We understand that sometimes purchases of digital game products don’t go as planned. When that happens, we’ll help you request a refund.

Windows 11. This article describes the problem addressed by the troubleshooter, what it does to mitigate them, and the conditions that can cause it to run. For more information about troubleshooting, see Keep your device running smoothly with recommended troubleshooting. What problem does this troubleshooter address?

Symptoms. A memory leak in Network Store Interface Service (NSI) may cause unexpected problems on your computer that is running Windows 7 Service Pack 1 or Windows Server 2008 R2 Service Pack 1. Resolution. Hotfix information. A supported hotfix is available from Microsoft Support.