Use the System File Checker tool to repair missing or corrupted system ...
To repair the corrupted files manually, view details of the System File Checker process to find the corrupted file, and then manually replace the corrupted file with a known good copy of the file. Windows 8.1 or Windows 8. Windows 10, Windows 7, or Windows Vista. More Information.
KB4457951: Windows guidance to protect against speculative execution ...
Microsoft is aware of new variants of the class of attack known as speculative execution side-channel vulnerabilities. The variants are named L1 Terminal Fault (L1TF) and Microarchitectural Data Sampling (MDS). An attacker who can successfully exploit L1TF or MDS may be able to read privileged data across trust boundaries.
KB4134601 - FIX: "Could not load file or assembly 'Microsoft ...
Fixes a problem in which you receive a “Could not load file or assembly 'Microsoft.AnalysisServices.AdomdClientUI” error message when a Process Full operation is run in SQL Server.
Recover lost files on Windows 10 - Microsoft Support
Use this app to try to recover lost files that have been deleted from your local storage device (including internal drives, external drives, and USB devices) and can’t be restored from the Recycle Bin. Recovery on cloud storage and network file shares is not supported.
How to correct common User32.dll file errors - Microsoft Support
If a program or a service accesses User32.dll incorrectly, the program or the service will not work correctly. User32.dll errors are typically corrected by repairing the User32.dll file or by reinstalling the program, the hardware component, or the driver that is causing the error.
Update for Universal C Runtime in Windows - Microsoft Support
This article describes an update for Universal C Runtime (CRT) in Windows. Before you install this update, see the prerequisites section. For more information, see Introducing the Universal CRT.
Clear the Delivery Optimization cache - Microsoft Support
Delivery Optimization in Windows 10 clears its cache automatically. Files are removed from the cache after a short time period or when their contents take up too much disk space. However, If you need more disk space on your PC, you can clear the cache manually.
You can't access OWA or ECP after you install Exchange Server 2016 CU6
After you install and upgrade to Microsoft Exchange Server 2016 Cumulative Update 6 (CU6), you can't access Outlook Web App (OWA) or Exchange Control Panel (ECP), and you receive the following error message: We can't get that information right now. Please try again later.
MS10-081: Vulnerability in the Windows common control library could ...
Resolves a vulnerability in Windows Explorer that could allow remote code execution if a user visited a specially crafted webpage.
Exchange Server setup fails with error code 1619 if it's started from ...
Error code is 1619. Workaround. If you use PowerShell, the setup must be started as .\setup.exe. Status. Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section. References. Learn about the terminology that Microsoft uses to describe software updates.