Describes a scenario in which a BitLocker-protected computer may be vulnerable to Direct Memory Access (DMA) attacks.

Highlights This update addresses security issues for your Windows operating system. Improvements This security update includes improvements. When you install this KB: This update addresses an issue that affects remote direct memory access (RDMA) performance counters. They do not return networking data on VMs in the right way.

Memory access protection prevents these kinds of attacks by denying direct access to the memory to those devices except under special circumstances, particularly when the PC is locked, or the user is signed out.

Découvrez comment optimiser les performances du système en gérant les applications de démarrage dans Windows.

Pour les appareils version 22H2 qui reçoivent des mises à jour directement de Windows Update ou de Windows Server Mises à jour Services (WSUS), les appareils obtiennent automatiquement le package d’activation en installant la mise à jour des fonctionnalités sur Windows 11, version 23H2.

Solution 2: Restart your device Restarting your Windows 10/11 device resets anything running in the memory that can cause the game to freeze or stop responding. Note Make sure there's nothing open or unsaved before you continue, as this process will automatically close all open apps.

Describes how to use the System File Checker tool to troubleshoot missing or corrupted system files in Windows.

Update drivers through Device Manager in Windows. Tip: The best way to get driver updates in Windows is automatically using Windows Update. For more information, see Automatically get recommended drivers and updates for your hardware.

The software you are installing has not passed Windows Logo testing to verify its compatibility with this version of Windows. (Tell me why this testing is important.)

Windows defaults for screen and sleep have been updated to reduce energy use when your device is idle. The tables below show the new default values for screen and sleep.