How to uninstall a Windows Update - Microsoft Support
Learn how to uninstall a Windows update, if for example that update is causing your system to have errors or other problems.
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.
List of security program cleanup and uninstall tools
Provides links to the uninstall tools and directions for many security programs.
Troubleshooter for repairing Windows Update system files and settings
Support for Windows 10 has ended on October 14, 2025. 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.
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.
Configure Startup Applications in Windows - Microsoft Support
Learn how to optimize system performance by managing startup applications in Windows.
Troubleshoot problems updating Windows - Microsoft Support
Update process is stuck due to an incomplete update or connection issue. Warning: Microsoft only recommends trying the procedures in this section if you're comfortable working in the command line. These procedures require administrator permissions on your device.
How to install multiple Windows updates or hotfixes with only one ...
This article describes how to install multiple Windows product updates (for example, critical updates, security patches, or hotfixes) that use Hotfix.exe (Microsoft Windows NT 4.0) or Update.exe (Microsoft Windows 2000, Microsoft Windows XP, or Microsoft Windows Server 2003) with only one restart.
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.
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.