The Malicious Software Removal Tool (MRT.exe) is a critical utility in Windows 11 designed to scan and remove prevalent malicious software from your system. This tool is updated monthly and is part of Microsoft's effort to keep your system secure. Understanding how to use MRT.exe effectively can help you maintain the integrity and security of your Windows 11 environment.

Examples:

1. Running MRT.exe Manually:

   To run MRT.exe manually, follow these steps:

   • Press Win + R to open the Run dialog.
   • Type mrt and press Enter.
   • Follow the on-screen instructions to perform a scan.

   This will launch the Malicious Software Removal Tool, where you can choose between a quick scan, full scan, or customized scan.

2. Running MRT.exe via Command Prompt (CMD):

   You can also run the tool using the Command Prompt for more control and automation. Here’s how:

   • Open Command Prompt as an administrator by searching for cmd in the Start menu, right-clicking on it, and selecting "Run as administrator".
   • Type the following command and press Enter:

     mrt /F

     This command will run a full scan using MRT.exe.

3. Scheduling MRT.exe with Task Scheduler:

   To ensure regular scans, you can schedule MRT.exe to run periodically using Task Scheduler:

   • Open Task Scheduler by searching for it in the Start menu.
   • Click on "Create Basic Task" in the Actions pane.
   • Name your task and provide a description.
   • Choose the frequency (daily, weekly, etc.).
   • Select "Start a program" and browse to C:\Windows\System32\mrt.exe.
   • Finish the wizard to create the task.

4. Automating MRT.exe with PowerShell:

   For advanced users, PowerShell can be used to automate MRT.exe. Here’s a sample script:

   $mrtPath = "C:\Windows\System32\mrt.exe"
   Start-Process -FilePath $mrtPath -ArgumentList "/F" -Wait

   Save the script with a .ps1 extension and run it using PowerShell.