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Also, unlike Explorer.exe, whether you terminate or restart the process, StartMenuExperienceHost.exe should always start again automatically. Just keep in mind that if you end the StartMenuExperienceHost.exe process it won't terminate the Explorer.exe process. However, you won't necessarily need to terminate both processes to troubleshoot issues, as ending the Explorer.exe will also automatically reset the new Start process. Starting with the Windows Update, the Start menu will appear as a separate StartMenuExperienceHost.exe process to streamline debugging and isolate the feature from possible problems.
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Windows Explorer process changes with the May 2019 Update After you complete the steps, the Explorer.exe restart again hopefully fixing freezes and other issues with the desktop environment.
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