How to fix a slowness of windows 10 File Explorer?

In the System configuration Window find and click on Services tab Now find Windows search in the services list and uncheck it. Click on Apply to save changes. Restart the computer and see if you still have the same issue with the File Explorer.

a) Open System Configuration

Click on Services tab Now find Window Search in the services list and uncheck it.

Tips 2: Perform an sfc scan

In the Command Prompt window, type "sfc /scannow" and press Ente

If the SFC scan does no longer fix the trouble with File Explorer, or for some cause you couldn't run the SFC scan, try to run a Deployment Image Servicing and Management (DISM) scan and then try and run the SFC scan again.

pen Command Prompt as administrator and type this command: "DISM /Online /Cleanup-Image /RestoreHealth". Press Enter