Fix problems that block programs from being installed or removed ...
If you can’t install, uninstall, or update a desktop program in Windows 10, the Program Install and Uninstall troubleshooter can automatically fix common issues such as corrupted registry keys or incomplete uninstall data.
Error 0x803F81F5 occurs when installing a game or app on a Windows 10 ...
Learn how to fix error 0x803F81F5 so you can install a game or app on a Windows 10 device.
Uninstall or remove apps and programs in Windows - Microsoft Support
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.
How to troubleshoot Windows Installer errors - Microsoft Support
To fix this problem automatically, run the "Fix problems that programs cannot be installed or uninstalled" troubleshooter to repair issues that block program installation or removal because of corrupted registry keys. Important To perform many of the methods and steps in this article, you must be logged on to your computer as an administrator.
List of security program cleanup and uninstall tools
Provides links to the uninstall tools and directions for many security programs.
Removing Invalid Entries in the Add/Remove Programs Tool
To add, remove, or change a program on a Windows 2000-based computer, use the Add/Remove Programs tool in Control Panel. Occasionally, a program may not be uninstalled completely and a reference to the program may remain in the Currently installed programs dialog box.
Unexplained Windows or software behavior may be caused by deceptive ...
Open the Program_Name folder, and then click the program's "uninstall" file to remove the program (if the file exists). For example, the file might be named Uninst.exe, Uninstall, or Uninstall Program_Name. Follow the instructions to remove the program.
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.
Microsoft Support
Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows 11, Surface, and more.
Running troubleshooters in Get Help - 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 Start to run that troubleshooter. After you run any troubleshooter, Get Help provides details on any findings and suggestions for possible remedies.