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.
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.
List of security program cleanup and uninstall tools
Provides links to the uninstall tools and directions for many security programs.
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 process.
When you use Automatic Updates to scan for updates or to apply updates ...
The Svchost.exe process may spike the CPU usage to 100 percent during update detection or update installation. Also, the Svchost.exe process causes the computer to stop responding for various lengths of time.
Use the System File Checker tool to repair missing or corrupted system ...
Use the System File Checker tool to repair missing or corrupted system files. When critical Windows system files are missing or corrupted, some Windows features may stop working correctly or Windows may stop responding altogether.
You receive an access violation error and the system may appear to ...
When you try to install an update from Windows Update or from Microsoft Update, you experience the following symptoms: The system may appear to become unresponsive when Windows Update scans for updates that use Windows Installer. You receive an access violation error in the Svchost.exe process.
Description of the Windows Update Standalone Installer in Windows
When you start Wusa.exe in interactive mode, a welcome screen displays high-level information about the update. If you continue to install the update, Wusa.exe calls the appropriate function in the Windows Update Agent API to start the Windows Update wizard.
System Center Operations Manager 2007 R2 Cumulative Update 4
To download Cumulative Update 4 for SCOM 2007 R2, visit the following Microsoft Download Center webpage:
Mitigation of a large number of block events that collect in the MDATP ...
To do this, delete all the NI files in the NativeImages directory and then run the ngen update command to regenerate them. Describes how to mitigate large numbers of block events that collect in the MDATP portal.