How to Repair High CPU and Memory Usage by MRT.Exe in Windows 10 PC

It’s normal to question the legitimacy of unknown system files, especially when they consume an unusually large amount of system resources. If you run the Task Manager and see that a process called MRT.exe is using the CPU disproportionately, you have every reason to be concerned.

What causes increased CPU and memory usage of mrt.exe?

  • Malware infection
  • Replacing the file with a virus
  • Incorrect software installation
  • MRT is damaged or malfunctioning

How to eliminate high CPU and memory usage of the MRT.exe?


Launch the anti-virus software

  1. Press Win + S and search for “Windows Security”.
  2. Go to Virus and Threat Protection > Scan Options.
  3. Select Microsoft Defender Offline Scanning and click Scan Now.

Remove MRT.exe files

Press Win + E to open File Explorer, then locate the MRT.exe file.
Right-click the file and select Open File Location.
Then select all MRT.exe files and click Delete.
Do not delete files located in the C:\Windows\folder.

Stop processes related to MRT.exe

  1. Right-click the Start menu and select Task Manager from the context menu.
  2. Right-click MRT.exe in the Processes list and select End Task from the context menu.
  3. If Microsoft Windows Malware Removal Tool runs in the background, you can disable it.
  4. Go to the Autorun tab, right-click the MRT.exe application in the list of installed programs and select Disable.

Frequently Asked Questions

  1. Reboot your system.
  2. Stop or restart the processes.
  3. Update the drivers.
  4. Check for malware.
  5. Power options.
  6. Reinstall Windows.

  1. Press the Windows key, type Task Scheduler, and press Enter.
  2. Use the folder tree in the sidebar and go to Task Scheduler Library -> Microsoft -> Windows -> RemovalTools.
  3. Right-click on MRT_HB and select Disable from the context menu.

Mrt.exe is a legitimate file. This process is known as Microsoft Windows. It is part of Microsoft Windows Malicious Software Removal Tools and was developed by Microsoft Corporation. Malware authors write malicious programs that they call MRT.exe to spread viruses on the Internet.