Run the Registry Editor from the Task Manager (File -> Create new task -> regedit.exe).Kill the File Explorer (Explorer.exe) process by right-clicking an empty space on taskbar with Ctrl+Shift pressed -> Exit Explorer or use the Task Manager (Ctrl + Shift + Esc).If the search doesn’t work only in the Windows 10 Start menu, try the following solution: The next time you try to use Windows 10 search, these processes will automatically restart.Similarly, kill the SearchApp.exe process.Find SearchUI.exe in the list of processes, right-click on it and select End Task.If the search from the Windows 10 Taskbar does not work, try to restart this process: The Cortana process ( SearchUI.exe) is responsible for the search from the Taskbar. Some Other Ways To Fix Search Problem on Windows 10.Reset Windows Search with PowerShell Script.Blank Windows Search Result on Windows 10 with Bing Search Integration.Re-Register Universal Apps in Windows 10.Run the Search and Indexing Troubleshooter.Check the Search Service and Indexing Settings.