How to use the Regsvr32 tool and troubleshoot Regsvr32 error messages ...
Check if the module is compatible with an x86 (32-bit) or x64 (64-bit) version of regsvr32.exe.
Fix problems that block programs from being installed or removed ...
Windows 11 may automatically recommend troubleshooting steps when installation or removal fails. Follow the guidance provided in the error message or notification. Reset this PC how to reset your PC.
Fix gaming issues with the Xbox app for PC and handhelds
Third-party antivirus software might cause installation or launch errors on Windows devices. If you encounter issues installing or launching games, try suspending your antivirus software temporarily while you attempt to troubleshoot game installation. You can also try launching the game from the Xbox app or the Microsoft Store app.
How to troubleshoot Windows Installer errors - Microsoft Support
The installation file is typically named Autorun.exe or Setup.exe, but this may vary. If you're not sure, check the Readme file in the folder for instructions about how to run the installation.
A driver can't load on this device - Microsoft Support
Find out the steps you can take if you receive a message telling you a driver can't load on your device.
Repair apps and programs in Windows - Microsoft Support
This article explains how to repair apps and programs in Windows 11 and use Settings to fix common app issues without reinstalling. You can repair some apps and programs if they're not running correctly. Note that you won't see repair, change, or modify options for all apps and programs. Repair options from the Settings page.
January 13, 2026—KB5073723 (OS Build 17763.8276)
[Drivers] This update removes the following modem drivers: agrsm64.sys (x64), agrsm.sys (x86), smserl64.sys (x64) and smserial.sys (x86). Modem hardware dependent on these specific drivers will no longer work in Windows.
Use the System File Checker tool to repair missing or corrupted system ...
When critical Windows system files are missing or corrupted, your operating system may begin to malfunction. Common symptoms include Windows features not working properly, system errors, or Windows becoming unresponsive or freezing.
System Configuration Tools in Windows - Microsoft Support
System Configuration is a system utility that allows you to troubleshoot issues with Windows startup. It provides options to customize the startup process, including the ability to enable or disable software, control startup services, and access other advanced system settings.
Windows Installer 4.5 is available - Microsoft Support
Note If the auto detection result is not displayed on your screen, view How to determine whether a computer is running a 32-bit version or 64-bit version of the Windows operation system.