FIX: ShellExperienceHost.exe High CPU Usage – START menu not working (Windows 10)

On a Windows 10 computer the process "ShellExperienceHost" causes CPU high usage. The ShellExperienceHost.exe process with description "Windows Shell Experience Host", is part of Windows Operating System and the executable file is located at "C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy" folder.

The "ShellExperienceHost" app is responsible for the start menu in Windows 10, but sometimes the app hangs and the Start menu is not working or consumes many CPU resources even when the system is idle.

In this tutorial you will find instructions to resolve "ShellExperienceHost.exe" high CPU (or Memory) usage problems or to resolve the Start menu not working (or freezing) issues on Windows 10.

How to FIX: ShellExperienceHost.exe 100% CPU Usage and Start menu problems in Windows 10.

Method 1. Scan your system for Viruses and Malware.

The first step to resolve the “ShellExperienceHost.exe” problems, is to ensure that your system is virus/malware free. For that task follow the instructions in this guide: How To Scan Your Computer for Viruses and other Malicious Programs.

Method 2. Re-install Shell Experience Host package to your local account.

1. Open Command Prompt as Administrator. To do that:

  • At the search box type: command prompt or cmd
  • Right-click at Command Prompt result and select Run As Administrator.

command prompt as administrator

2. At command prompt type the following command to enable the hidden “Administrator” account and press Enter.

  • net user administrator /active:yes

3. Close command prompt.

4. Restart Windows in Safe mode. To do that:

    • Press the Windows image_thumb8_thumb + R keys to open the run command box.
    • Type msconfig and press Enter.

msconfig

 

    • At Boot tab select the Safe Boot option, then click OK and restart your computer.

safe boot windows

 

 

5. After restart, Sign-Out from the current user and login as Administrator.

6. Open Windows Explorer and navigate to C:\Users\%Username%\AppData\Local\Packages\ folder.

7. Rename the "Microsoft.Windows.ShellExperienceHost_cw5n1h2txyewy" folder to "Microsoft.Windows.ShellExperienceHost_cw5n1h2txyewy.BAK"

ShellExperienceHost.exe high CPU usage

 

8. Restart Windows Normally. To do that:

    • Press the Windows image_thumb8_thumb + R keys to open the run command box.
    • Type msconfig and press Enter.
    • At General tab select the Normal startup option, then click OK and restart your computer.

boot Windows normaly

 

9. After restart, Sign-Out from the Administrator account and login to your account. (Windows will re-install automatically the "Windows Shell Experience Host" package to your user profile.)

Method 3. Repair Windows 10.

The final method to resolve the ShellExperienceHost.exe poblems, is to repair Windows 10 with In-Place Upgrade.

That’s all folks! Did it work for you?
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