Troubleshooting Microsoft Cross Device Service High CPU Usage

In the latest version of Windows 11, the "Microsoft Cross Device Service High CPU Usage" issue has troubled many users. This article provides several solutions to help you get rid of this annoying problem.

Microsoft Cross Device Service is a process in Windows systems that is responsible for synchronizing across devices, which is used to connect and synchronize activities and data between multiple Windows devices. However, many Windows 11 users recently reported that Task Manager shows that Cross Device Service continues to consume extremely high CPU percentages. Even if the computer is restarted, the problem still exists, causing the CPU temperature to rise, the computer to run slowly, and even get stuck or restarted, seriously affecting the computer's performance.

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Microsoft previously said engineers have identified the cause of the problem and are working to fix it, but has not released any patches. Fortunately, many forum users have shared effective solutions. These schemes are listed below and you are advised to try them in order:

Solution:

Method 1: Disable "Cross-device Sharing" and "Mobile Device" features

Many users recommend turning off the Cross Device Service's shared and Mobile Device features to reduce CPU usage.

Step 1: Right-click the Windows Logo button on the taskbar and select Settings .

Step 2: Select Apps > Advanced App Settings > Share across devices and select the Close option.

Step 3: Press the Windows X key combination and select Task Manager .

Step 4: Go to the Launch Application tab, right-click on the mobile device , and select Disable .

After restarting the computer, Microsoft Cross Device Service will no longer run in the background and occupy high CPU.

Method 2: Uninstall Microsoft Cross Device Service using PowerShell

If the above method does not work, you can try uninstalling the Cross Device Service. This can be done using Windows PowerShell.

Step 1: Enter Windows PowerShell in the search box and select Run as administrator .

Step 2: Enter Get-AppxPackage *CrossDevice* -AllUsers | Remove-AppxPackage -AllUsers in the command line window and press Enter . After executing this command, the Microsoft Cross Device Service will be removed and the CPU usage will return to normal.

Method 3: Wait for Microsoft to repair

If none of the above methods work, it is recommended that you wait patiently for Microsoft to provide a fix patch or other solution. Please follow the update released by Microsoft to see if this issue is included.

Further reading:

If Microsoft Cross Device Service has high CPU usage caused the computer to overheat and data loss, you can download and run MiniTool Power Data Recovery to recover files. This efficient and reliable file recovery tool is highly compatible and versatile, and can help you recover photos, documents, videos, audio, emails and more from Windows 11/10/8/7 systems.

Summarize:

When encountering high CPU usage issues with Microsoft Cross Device Service, you can try disabling Cross Device and Mobile Device features, or uninstalling Cross Device Service. Or, you can wait for Microsoft to resolve this issue.

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