How to Repair High CPU Usage by SearchIndexer.Exe on Windows 10 PC

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SearchIndexer exe is an executable file and is a Microsoft Windows Search Index Builder and was introduced in Windows XP, 7, 8 and can also be found as good in recent versions of Windows 10 and 11.

Microsoft Windows Search Indexer was originally known as Windows Desktop Search (WDS) and plays an important role in indexing files for Windows search, i.e. it searches in the background for the location of various files and feeds them into Windows File Explorer or Start Menu.

Why does searchindexer.exe have a high CPU load?

This error usually occurs if you have recently re-created the search index or if you have mistakenly deleted the folder with the index data. Also, sometimes this problem is caused by corrupted system files, a virus, or a malware infection.

Whatever the cause, here are some solutions that you can apply to reduce the CPU load on your computer.

How to eliminate high CPU load with searchindexer.exe?

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Reboot the Windows search service

  1. Press the Win + R key combination and type services.MSC in the Run text box.
  2. Click Run OK to open the Services window.
  3. Scroll down to Windows Search.
  4. Double-click Windows Search to open its configuration options.
  5. Select Disabled from the Startup Type menu.
  6. Click the Stop button.
  7. Click Apply and OK.
  8. Restart your Windows operating system.
  9. Then reopen the Windows Search Services window.
  10. From the Startup Type drop-down menu, select Automatic (delayed startup).
  11. Select the Startup option and click Apply and OK to restart the Windows Discovery Service.

Rebuild the Index

  1. Open the indexing options as described above.
  2. Click Change and disable all selected locations except the C: drive.
  3. Click OK to return to the Indexing Options window.
  4. Click Advanced to open the tab.
  5. On the Indexing Options tab, click Create New.
  6. Click OK to confirm and recreate the index.

Disable search index

  1. Enter the keyword “Windows Features” in the Control Panel search box.
  2. Click Enable or Disable Windows Features to open the window.
  3. Uncheck the Windows Search box.
  4. Click OK to confirm your new settings.
  5. Restart your desktop or laptop computer.

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Frequently Asked Questions

SearchIndexer.exe is a Windows service that indexes your Windows search files, which provides a built-in Windows file search engine that supports everything from the Start menu search bar to Windows Explorer to the library function.

  1. Reboot your system.
  2. Stop or restart processes.
  3. Update drivers.
  4. Check for malware.
  5. Power options.
  6. Find specific instructions online.
  7. Reinstall Windows.

It usually happens if you recently re-created the search index or accidentally deleted the index data folder. Sometimes corrupted system files or a virus or malware infection also causes this problem.