Use the System File Checker tool to repair missing or corrupted system ...
Use the System File Checker tool to repair missing or corrupted system files. When critical Windows system files are missing or corrupted, some Windows features may stop working correctly or Windows may stop responding altogether.
Gaming Services Repair Tool for PC | Xbox Support
Learn how to use the Gaming Services Repair Tool to troubleshoot installation and update issues with Gaming Services on PC.
Fix problems that block programs from being installed or removed
After October 14, 2025, Microsoft will no longer provide free software updates from Windows Update, technical assistance, or security fixes for Windows 10. Your PC will still work, but we recommend moving to Windows 11. Learn more. Note: Use these steps for Windows programs.
Set up an Xbox 360 Controller for Windows | Xbox Support
Learn how to set up an Xbox 360 Controller for Windows so you can play PC games with your Xbox controller.
Uninstall or remove apps and programs in Windows
There are different ways to remove apps and programs, so if you can't find the one you're looking for, you can try another location. Note that some apps and programs are built into Windows and can't be uninstalled. You can try to repair a program first, if it's just not running correctly.
Windows troubleshooters - Microsoft Support
Get Help has troubleshooters you can run for many common scenarios. These often help resolve issues without the need to contact support. If a troubleshooter is available for your issue, select Run to start that troubleshooter.
Update drivers through Device Manager in Windows - Microsoft Support
Download the drivers for the desired device from the device manufacturer's site. Make sure to download the correct drivers that match the version and architecture of Windows. Once downloaded, if necessary, uncompress the downloaded drivers. Make a note of where the drivers are located on the Windows device.
How to install the latest version of DirectX - Microsoft Support
Check which version of DirectX is installed. The DxDiag tool reports detailed information about the DirectX components and drivers installed on your system and can be used. Swipe in from the right edge of the screen, and then tap Search. Type dxdiag in the search box. Or, just type dxdiag from Start. DirectX versions and updates by Operating System
Update for Visual C++ 2013 Redistributable Package
These issues occur because the MFC implementation of Visual C++ 2013 contains incorrect code for handling high-DPI mode. A fix is available for this MFC implementation, and the fix does not require affected applications to be recompiled.
I can’t start Microsoft Outlook or receive the error “Cannot start ...
Cannot open the Outlook window" error messages? We can fix the problem for you, or you can use the troubleshooting steps we're providing below to help resolve these startup issues. You need to be on Windows 10 or higher to run the troubleshooter. You need to be on the same Windows PC as classic Outlook to run the troubleshooter.
Applies To: Outlook for Microsoft 365, Outlook 2024, Outlook 2021, Outlook 2019, Outlook 2016, Microsoft Office