Describes how to use the System File Checker tool to troubleshoot missing or corrupted system files in Windows 8.1, Windows 8, Windows 7 or Windows Vista.

This article describes issues that registry bloat may cause user logon delays or cause application users to receive a "0x800705AA" error. These issues occur on computers using Windows 8.1, Windows RT 8.1, or Windows Server 2012 R2. KB 3063843 consists of a corrective fix that prevents WNF registrations from being leaked after fix installation ...

Symptoms. If you have installed the update KB2821895, and then run the System File Checker using the command sfc /scannow, the scan reaches 100% complete, and you receive the following error: Windows Resource Protection found corrupt files but was unable to fix some of them.

The troubleshooter cannot be run manually. You can check troubleshooting history to see if this troubleshooter has been run on your device by going to Start > Settings > Update & Security > Troubleshoot > View troubleshooting history and looking for the following: Windows Update troubleshooter.

Description of the security update for the Windows Common Log file system driver elevation of privilege vulnerability in Windows Server 2008: February 13, 2018 - Microsoft Support.

Summary. An elevation of privilege vulnerability exists when the Windows Common Log File System (CLFS) driver improperly handles objects in memory. To learn more about the vulnerability, go to CVE-2018-8167 .

Summary. This security update makes improvements to Secure Boot DBX for the supported Windows versions listed in the "Applies to" section. Key changes include the following: Windows devices that has Unified Extensible Firmware Interface (UEFI) based firmware can run with Secure Boot enabled.

A heavily fragmented file in an NTFS file system volume may not grow beyond a certain size caused by an implementation limit in structures that are used to describe the allocations. Operating system error 33 (The process cannot access the file because another process has locked a portion of the file.)

1. Make sure you have the latest updates for Windows and device drivers. 2. Restart your PC and open only the apps you need. 3. Use ReadyBoost to help improve performance. 4. Make sure the system is managing the page file size. 5. Check for low disk space and free up space. 6. Adjust the appearance and performance of Windows. 7.

This security update resolves vulnerabilities in Microsoft Windows. The vulnerability could allow elevation of privilege when the Windows Common Log File System (CLFS) driver improperly handles objects in memory.