Windows 10: Microsoft Cross Device Service high Memory or CPU usage

Discus and support Microsoft Cross Device Service high Memory or CPU usage in Windows 10 News to solve the problem; [ATTACH]Microsoft Cross Device Service or cross device service.exe on Windows 11 powers the seamless connection between your PC and phone. It works... Discussion in 'Windows 10 News' started by WinClub, Jul 2, 2026 at 10:17 AM.

  1. WINCLUB
    WinClub New Member

    Microsoft Cross Device Service high Memory or CPU usage


    Microsoft Cross Device Service high Memory or CPU usage Microsoft-Cross-Device-Service-high-Memory-or-CPU-usage.png ​
    Microsoft Cross Device Service or cross device service.exe on Windows 11 powers the seamless connection between your PC and phone. It works when you connect your PC and phone using Phone Link and Link to Windows apps. You can use the connection to transfer images, see SMS, reply, and manage phone calls. It also works […]

    This article Microsoft Cross Device Service high Memory or CPU usage first appeared on TheWindowsClub.com.

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    WinClub, Jul 2, 2026 at 10:17 AM
    #1
  2. PATRICKM0
    PatrickM0 Win User

    Cross Device Service High CPU Usage

    On my machine, terminating the process would release the CPU usage returning things to what I would consider normal, however upon restarting the machine the issue would return and the service would be running again consuming 15-20% CPU.

    In the end, what fixed it for me was...

    1. To disable Across Device Sharing in Settings > Apps > Advanced App Settings > Share Across Devices, select "Off".

    2. To disable the "Mobile Devices" start-up app in Task Manager > Startup apps, right-click "Mobile Devices" and select "Disable".

    After that, upon restarting/booting the machine, I would no longer have the Microsoft Cross Device Service running in the background and my CPU would be around 5% idle.
     
    PatrickM0, Jul 2, 2026 at 10:18 AM
    #2
  3. VINICIUSMU
    ViniciusMU Win User
    Cross Device Service High CPU Usage

    Hi, leginmat90. I'm sorry to hear you're having this problem, and I hope I can assist you to find a satisfactory solution.

    I will leave you step by step to disable this service.

    Disable Cross Device Service

    Press Win + R to open the Run dialog box.

    Type services.msc and press Enter.

    In the Services window, locate the Cross Device Service.

    Right-click on it and select Properties.

    Change the Startup type to Disabled.

    Click Apply and then OK

    Hope it helps.
     
    ViniciusMU, Jul 2, 2026 at 10:18 AM
    #3
  4. TENFORO
    Tenforo Active Member

    Microsoft Cross Device Service high Memory or CPU usage

    Cross Device Service High CPU Usage

    Noticed this began a few days ago. Initially, it was my CPU fan running unusually high and also noted high idle temps. The task manager then shows cross device service running my CPU at 7-10% continuously. As soon as I terminate this program, my CPU returns back to normal idle conditions.

    How do I disable this feature?


    Microsoft Cross Device Service high Memory or CPU usage [​IMG]
     
    Tenforo, Jul 2, 2026 at 10:18 AM
    #4
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Microsoft Cross Device Service high Memory or CPU usage

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