Use this tool to find and remove specific prevalent threats and reverse the changes that they made (see the "Covered malware families" list in the "Release information" section of KB 890830). For comprehensive malware detection and removal, consider using Windows Defender Offline or Microsoft Safety Scanner.

Run this sample PowerShell script on non-persistent OS installations. For non-persistent environments, a logon script approach remains the best option for IT administrators. Create a batch file wrapper to execute synchronously before Explorer launches.

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.

When critical Windows system files are missing or corrupted, your operating system may begin to malfunction. Common symptoms include Windows features not working properly, system errors, or Windows becoming unresponsive or freezing.

When attempting to call a Visual Basic Script from a Web server in the context of a CGI script, the script may fail to run properly. The most likely reason for this is that the scripting engine is typically executed in the security context of the IUSR_Machine created by IIS when it is installed.

The TRACERT diagnostic utility determines the route to a destination by sending Internet Control Message Protocol (ICMP) echo packets to the destination. In these packets, TRACERT uses varying IP Time-To-Live (TTL) values.

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.

Learn more about that process (and why you might not want to) at Risks of Allowing Apps Through Windows Firewall. Network and Internet troubleshooter: If you're having general network connectivity issues you can use this troubleshooter to try and automatically diagnose and fix them.

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.

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.