Slow Windows 10 Search & How you can speed it up

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Are you experiencing a slow Windows 10 Search, or is it just not working? Here’s how you fix that.

Basically, you have to re-index the hard-drives in the Search Index. Doing this made my Windows 10 Search go from very slow to almost instant results.

Why is Windows 10 Search so slow?

It either has something to do with the upgrade processes from Windows 7/8. The Windows 10 Search Index could be different from the Windows 7/8 Search Index, so it can’t make the right connections.

Or, there might be something wrong with the initial process that runs the Search Index after you’ve installed or upgraded to Windows 10.

Either way, here’s how you can speed up the slow Windows 10 Search.

How to Fix the Slow Windows 10 Search

Solution 1

Ending the Search UI task

  1. Open the Task Manager (right-click on the Start/Task bar > Task Manager)
  2. Click on the Details tab
  3. Right-clicking on SearchUI, and End task.

Thanks to Dave

You can find another solution on Page 2.

Founder of

  • You can go through all that. or just go Cntl-Alt-Delete choose Task Manager. Find searchUI. and just end it. Worked perfect, and it has been 3 days on with the Cortana-search not having an issue.

    • Soraka, the Starchild


  • Nirmal Seneviratne

    Dave, you are genius man !! quitting search UI did the job

  • Eugene

    Wow, that’s great! Switching from index 800,000+ to 400 is amazing, i get right result before UI animation has finished! Thank you so much, this is amazing!

  • Sisifo

    Thank you, thank you, thank you…

  • Joseph El Ghanim

    Worked! Thanks!!!

  • Saved

    You beautiful beast

  • Sameli

    My eyes are bleeding. Humble I bow I a front of Master. Great Thanks!

  • Cosbot

    Worked for me. Thanks :)