Fixes an issue in which you experience high memory usage by the Svchost.exe process in Windows 7 SP1, Windows Server 2008 R2 SP1, or Windows Server 2008 SP2. This issue occurs after you install update 2506143 or update 2506146 on the computer.

The Svchost.exe process may spike the CPU usage to 100 percent during update detection or update installation. Also, the Svchost.exe process causes the computer to stop responding for various lengths of time.

Fixes an issue in which the CPU usage of the Svchost.exe process that hosts the WMI service (Winmgmt) hits 100%. Or, the computer takes too much time for the startup process to occur.

Fixes an issue in which an update installation takes a long time and the Svchost.exe process occupies 100 percent of CPU usage when you upgrade from Windows 7 to Windows 10.

Fixes an issue in which the handle count of the Svchost.exe process that hosts the power service increases on a computer that is running Windows 7 or Windows Server 2008 R2. This issue occurs when a WMI query is triggered by using the Win32_PowerSettingCapabilities class.

When you try to install an update from Windows Update or from Microsoft Update, you experience the following symptoms: The system may appear to become unresponsive when Windows Update scans for updates that use Windows Installer. You receive an access violation error in the Svchost.exe process.

When you leave Server Manager running in Windows Server 2012, a memory leak issue occurs in the Svchost.exe process that hosts the Winmgmt service. To resolve this issue, install the Windows 8 and Windows Server 2012 cumulative update 2811660.

Fixes a Windows Vista or Windows Server 2008 issue in which the Svchost.exe process uses too much memory. Additionally, a memory leak occurs in the Svchost.exe process.

Fixes an issue in which an Svchost.exe process crashes in Windows 8 or Windows Server 2012. This issue occurs when the process hosts a Group Policy client service that tries to apply a policy.

Fixes an issue in which you receive a "STATUS_HEAP_CORRUPTION (0xC0000374)" error code when heap corruption occurs in the Svchost.exe process. This issue occurs on a computer that is running Windows 7 or Windows Server 2008 R2.