Microsoft Windows Search Indexer High CPU Usage (solved) 2025

But what if Searchindexer.exe cause high CPU usage on your setup?

Users report Its almost100 CPU usage by SearchIndexer.exe, Laptop Freezing continuously or not respond to clicks at startup.

Contents

What Is Microsoft Windows Search Indexer?

Keeping the Search Indexer running is recommended, as it makes Windows searching easier.

Why windows search indexer high cpu usage?

If you frequently modify or add files, the indexer continually updates the index to reflect these changes.

This can lead to intermittent spikes in CPU usage.

Agin Disk errors or fragmented storage can hinder the indexers performance, potentially leading to increased CPU usage.

Sometimes corrupted system files and virus malware infection also cause this problem.

First, perform a full system scan for Virus malware infection with the latest updated Antivirus program.

RunSystem optimizerlike Ccleaner to clean up system junk, cache, memory dump files, etc.

Also, launch the registry cleaner to clean up and fix broken registry errors.

It can help resolve issues that might be causing high CPU usage by the Windows Search Indexer.

Let spin up the built-in search and indexing troubleshooter and let Windows check and fix the problem itself.

The troubleshooter will now start scanning for issues related to search and indexing.

When ask what problems do you notice, selectFiles dont appear in search resultsand then click Next.

This is another best way to fixHigh CPU usage by searchindexer.exe.

Simply Reduce the amount of data the Search Indexer is indexing by steps following the steps below.

Now go to Advanced indexing options and poke the Rebuild Index button.

You will see this message:Rebuilding the index might take a long time to complete.

Some views and search results might be incomplete until rebuilding is finished.Press theOKbutton to confirm and rebuild the index.

Disabling the indexer will stop it from consuming CPU resources, but it significantly impacts search functionality.

Running the System File Checker can help ensure that your system files are intact and not causing any issues.

What is Windows Search Indexer?

Why does it cause high CPU usage?

How can I optimize indexing configs?

Is it recommended to disable Windows Search Indexer?

How does System File Checker help?

Try these 8 solutions 2025

Lets Optimize it

6 ways to fix it