Windows 10: Service Host: Disk Defragmenter always popping up on startup and using CPU?

Discus and support Service Host: Disk Defragmenter always popping up on startup and using CPU? in Windows 10 Software and Apps to solve the problem; This began today, where every time I would turn on my PC, this service would open and start using up CPU power, I don't know what's causing it. Should... Discussion in 'Windows 10 Software and Apps' started by retrobit64, May 10, 2022.

  1. RETROBIT64
    retrobit64 Win User

    Service Host: Disk Defragmenter always popping up on startup and using CPU?


    This began today, where every time I would turn on my PC, this service would open and start using up CPU power, I don't know what's causing it. Should I be concerned?

    :)
     
    retrobit64, May 10, 2022
    #1
  2. DONALDDIEHL
    DonaldDiehl Win User

    High CPU on Runtime Broker, Service Host: SysMain and Disk Defragmenter.

    apparently the service host: disk defragmenter, runtime broker and service host: SysMain are using a lot of cpu on my laptop. i also have 6 runtime brokers. what do i do?
     
    DonaldDiehl, May 10, 2022
    #2
  3. BRIDGETROSEN
    BridgetRosen Win User
    The Service Host: Disk Defragmenter

    How can I uninstall Defragmenter? It is part of Service Hosts.

    Thanks
     
    BridgetRosen, May 10, 2022
    #3
  4. ALLAN MEJ
    Allan Mej Win User

    Service Host: Disk Defragmenter always popping up on startup and using CPU?

    Defragmentation not working, and new update causing crashes

    Hi,

    It is possible that Disk Defragmenter service has been disabled or not properly running on your PC, causing defragmentation issues. To troubleshoot this, kindly try these following methods:

    Run System File Checker

    System File Checker is a utility in Windows that allows users to scan for corruptions in Windows system files and restore corrupted files. To do so, follow these steps:

    • Right-click the Start Menu and select Command Prompt (Admin).
    • Run this command: SFC /scannow
    • This may take several minutes to finish. If Command Prompt shows Verification 100% complete, close the command prompt and check if your issue has been fixed.

    Check Disk Defragmenter service

    Disk Defragmenter service is required to perform disk defragmentation. If Disk Defragmenter service and other services that is required to perform disk defragmentation is disabled, you may encounter issues doing defragmentation. To troubleshoot this, follow
    these steps:

    • In the search box, search and open Services.
    • Find Disk Defragmenter service, right-click it, and select Properties.
    • Make sure that Disk Defragmenter service Startup type is set to Manual.
    • Go back to the Services window and make sure that the Startup type of these services is set to Automatic:
      • Remote Procedure Call (RPC)
      • DCOM Server Process Launcher
      • RPC Endpoint Mapper

    Regarding your issue with the Windows Update, kindly answer these following questions for us to assist:

    • What is the update that you are trying to install (KB16XXXX)?
    • What are the specifications of your PC?
    • Do you receive any error messages when encountering a system crash?

    We'll be looking forward for your response.

    Regards.
     
    Allan Mej, May 10, 2022
    #4
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Service Host: Disk Defragmenter always popping up on startup and using CPU?

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