This article describes an issue in which Windows Management Instrumentation (WMI) service crashes in Windows 8.1, Windows RT 8.1, Windows Server 2012 R2, or Windows Server 2012. An update is available to fix this issue. Before you install this update, see the Prerequisites section. Symptoms.

Cause. This issue occurs because the device stack for the monitor is not torn down when the laptop enters sleep mode. When the laptop is resumed from sleep mode, enumeration occurs before Plug and Play (PnP) manager starts the tear down the previous stack.

This issue occurs because the ACPI driver (Acpi.sys) incorrectly creates a duplicated physical device object (PDO) when some APIC IDs are larger than a value of 255.

More Information. When you run the Wmic.exe utility for the first time, the utility compiles its .mof files into the repository. To save time during Windows installation, this operation takes place as necessary. At a command prompt, type: wmic, and an interactive-mode prompt "wmic:root\cli" is displayed. For help, type: /?.

Blue Screen errors (also sometimes called black screen errors or STOP code errors) can occur if a serious problem causes Windows to shut down or restart unexpectedly. You might see a message that says, "Windows has been shut down to prevent damage to your computer" or a similar message.

Cause. This issue occurs because the WMI service incorrectly processes a deletion operation inside the WMI repository. Note Not all WMI repository corruptions are caused by this issue. Resolution. Hotfix information. A supported hotfix is available from Microsoft.

To do this, follow these steps: Open an elevated command prompt. To do this, do the following as your appropriate: If you are running Windows 10, Windows 8.1 or Windows 8, first run the inbox Deployment Image Servicing and Management (DISM) tool prior to running the System File Checker.

Symptoms. You have a computer that is running Windows 7 RTM. When the system is under heavy load, you may encounter one or more of the following problems: The hotkey on your keyboard does not work. For example, you press the hotkey to control the brightness of your computer screen. However, the level of brightness does not change.

Move the Oemn.inf and Oemn.pnf files back to the %Systemroot%\Inf folder. Use Device Manager to remove the VGA video adapter, and then restart the computer. Windows Plug and Play locates the OEM video adapter and reinstalls the OEM drivers automatically.

An information disclosure vulnerability exists in the Windows kernel that could allow an attacker to retrieve information that could lead to a Kernel Address Space Layout Randomization (ASLR) bypass. To learn more about the vulnerabilities, go to the Security Update Guide.