Use the System File Checker tool to repair missing or corrupted system ...
If some Windows functions aren't working or Windows crashes, use the System File Checker to scan Windows and restore your files. Though the steps below might look complicated at first glance, just follow them in order, step-by-step, and we’ll try to get you back on track. Run the System File Checker tool (SFC.exe)
How to use the PC Health Check app - Microsoft Support
How to use the PC Health Check app. Windows 11. PC Health Check app brings you up to date info on your Windows device health, helping you take action to improve your device performance and troubleshoot performance problems.
Use the Calculator in Windows - Microsoft Support
The Calculator app for Windows is a touch-friendly version of the desktop calculator in previous versions of Windows. You can open multiple calculators at the same time in resizable windows on the desktop and switch between Standard, Scientific, Graphing, Programmer, Date calculation, and Converter modes.
Repair Outlook Data Files (.pst and .ost) - Microsoft Support
All Outlook Data Files (.pst) and Offline Data Files (.ost) are listed along with the name of the account the files are associated with. If you cannot open your Outlook data file or suspect that the file is damaged, use the Inbox Repair tool (scanpst.exe) to repair errors in the file.
Applies To: Outlook for Microsoft 365, Outlook 2024, Outlook 2021, Outlook 2019, Outlook 2016
Troubleshoot problems with party audio on Windows
Solution 1: Make sure your audio device is turned on. This seems obvious but it can happen to the best of us. If your audio device is wireless, make sure it’s charged. A device with a low battery can turn off without warning. . Solution 2: Check your party audio settings in Game Bar. . Are you in a party?
Fix gaming issues with the Xbox app for Windows
The Gaming Services Repair Tool can often resolve launch, install, update, or various other issues for both games and the Xbox app itself. You can use this tool from within the Xbox app or try the downloadable version. For more info on how to run this tool, visit: Gaming Services Repair Tool for PC.
KB5004442—Manage changes for Windows DCOM Server Security Feature ...
The Distributed Component Object Model (DCOM) Remote Protocol is a protocol for exposing application objects using remote procedure calls (RPCs). DCOM is used for communication between the software components of networked devices. Hardening changes in DCOM were required for CVE-2021-26414.
Update your Xbox Wireless Controller
Update your Xbox Wireless Controller. Keeping your controller updated with the latest software maximizes your controller's capabilities and compatibility. You can update your controller wirelessly, with a USB connection, or on a PC using the Xbox Accessories app.
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.
Update drivers manually in Windows - Microsoft Support
Learn how to update drivers in Windows using Device Manager to update or reinstall a driver.