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.
Fix problems that block programs from being installed or removed
Block you from uninstalling a program through Add or Remove Programs (or Programs and Features) in Control Panel. If you're trying to remove malware, you can use Windows Security (or another antivirus tool), or you can use the Windows Malicious Software Removal tool.
Remove specific prevalent malware with Windows Malicious Software ...
Use this tool to find and remove specific prevalent threats and reverse the changes that they made (see Covered malware families). For comprehensive malware detection and removal, consider using Windows Defender Offline or Microsoft Safety Scanner.
Use the System File Checker tool to repair missing or corrupted system ...
To resolve this problem, perform the System File Checker scan in safe mode, and make sure that the PendingDeletes and PendingRenames folders exist under %WinDir% \WinSxS\Temp. Windows Resource Protection found corrupt files and successfully repaired them. Details are included in the CBS.Log %WinDir% \Logs\CBS\CBS.log.
Remove malware from your Windows PC - Microsoft Support
Microsoft Defender Antivirus is a powerful tool that finds and removes malware from your PC. Here's how to use it in Windows 10 or 11 to scan your PC. Important: Before you use Microsoft Defender Offline, make sure to save any open files and close apps and programs. Open your Windows Security settings.
Applies To: OneDrive (home or personal), OneDrive for Windows
How to troubleshoot Windows Installer errors - Microsoft Support
When you install, uninstall, or update a program on a Windows-based computer, you may receive one of the following error messages. The Windows Installer Service could not be accessed. Windows Installer Service couldn't be started. Could not start the Windows Installer service on Local Computer. Error 5: Access is denied.
How to install programs from online sources on Windows 10
In your web browser, select the link to the program. Select Save or Save as to download the program. Most antivirus programs like Windows Defender will scan the program for viruses during download. If you select Save, the program file is saved in your Downloads folder. Or, if you select Save as, you can choose where to save it, like your desktop.
How to install programs from a disc on Windows 10
If installation doesn't start automatically, browse the disc to find the program setup file, usually called Setup.exe or Install.exe. Open the file to start installation. Insert the disc into your PC, and then follow the instructions on your screen.
How to start a scan for viruses or malware in Microsoft Defender
Learn how to protect yourself and how Microsoft Defender is helping to prevent fraud. See: National Public Data breach: What you need to know. You can start a scan for malware any time you like. Note: Microsoft Defender currently offers anti-malware on Windows, Android, and macOS. From the Microsoft Defender dashboard.
Applies To: Microsoft Defender on Android, Microsoft Defender on Mac, Microsoft Defender on Windows
Configure startup applications in Windows - Microsoft Support
Learn how to optimize system performance by managing startup applications in Windows.