How to troubleshoot Windows Installer errors - Microsoft Support
Describes how to troubleshoot problems that occur when you install, uninstall, or upgrade a program on a Windows-based computer by using Windows Installer.
Fix problems that block programs from being installed or removed ...
The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs. It also fixes corrupted registry keys. First, you'll need to download the troubleshooter.
Use the System File Checker tool to repair missing or corrupted system ...
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. true.
Command Prompt and Windows Powershell for Windows 11
In Windows 11 22H2, the default app used to host console windows has been changed to Windows Terminal. After the October 2022 update, Command Prompt, Windows PowerShell, and other console apps will appear inside an instance of Windows Terminal.
Fix problems that block programs from being installed or removed
The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs. It also fixes corrupted registry keys. First, you'll need to download the troubleshooter.
Installation of ActiveX controls may fail in Internet Explorer
To protect users against potentially unsafe ActiveX installers, the update installer is expected to fail under certain conditions on the following platforms: Internet Explorer 9 running on Windows Vista and Windows Server 2008
Configure your Xbox Elite Wireless Controller Series 2
Use the Xbox Accessories app to configure the Xbox Elite Wireless Controller Series 2 to your playing style. The Xbox Accessories app button mapping screen for the Elite Series 2 controller. Things to keep in mind: The Xbox Accessories app is only available on Xbox consoles and Windows 10/11.
About the Microsoft Support and Recovery Assistant
Learn how to download Microsoft Support and Recovery Assistant to help fix problems with Microsoft 365, Office, or Outlook.
Applies To: Outlook for Microsoft 365, Office 2024, Office 2021, Office 2019, Office 2016, Microsoft 365 for home, Microsoft 365 admin
Windows Installer 4.5 is available - Microsoft Support
Software manufacturers can create the setup of their products to use Windows Installer to help make software installation, maintenance, and uninstallation straightforward and easy. Windows Installer 4.5 is released with Windows Vista Service Pack 2 (SP2) and Windows Server 2008 SP2.
"The Windows Installer Service Could Not Be Accessed" error when you ...
Resolves an issue in which you cannot install a program in Windows 7 or Windows Vista. When you try to install the program, you receive an error message.