Fix High CPU usage due to SearchProtocolHost.exe in Windows 10

High CPU usage slows down the system. Mostly, the reason behind high CPU usage is a process which occupies a lot of system resources. One such case is when the process SearchProtocolHost.exe is causing high CPU usage.

High CPU usage due to SearchProtocolHost.exe

The SearchProtocolHost.exe is the process name for the Windows Search Indexer. It helps keep a record of all files on the system to make the search process better.

High Cpu Usage Due To Windows Search Indexer

Cause

The cause behind the SearchProtocolHost.exe process causing high CPU usage is when the Indexer is unable to find certain files on the system. Thus, it pushes the process hard because of which it utilizes a lot of system resources.

Preliminary steps

1] Update Windows: When we update Windows, it would update the lists in the Indexer from the network, just in case any newly launched program was missed. Here’s the procedure to update Windows.

Check For Updates

2] Uninstall any recently installed suspicious software.

3] Run the Search and Indexing Troubleshooter. Settings >> Updates and Security >> Troubleshoot and select the Search and Indexing Troubleshooter.

Search And Indeing Troubleshooter

 

 

Thereafter, proceed with the following solutions:

Solution 1] Change Indexing options

1] Search for Indexing options in the Windows search bar and open the option.

Indexing Options

 

2] Click on Modify. It will show the list of Indexed locations.

 

Modify Options

 

 

3] Select Show all locations. It would need Administrator permissions.

 

Show All Locations

 

4] Uncheck the larger locations (eg. C: if it is your system drive, etc.).

5] Click on OK to save the settings.

6] Restart your system.

Check if it helps ease the Disk utilization.

Solution 2] Run an SFC scan

An SFC scan helps identify missing files and replaces them if necessary. Here’s the procedure for an SFC scan.

Solution 3] Disable Windows search

While we all know how important Windows search is, but if we are unable to use the system because of the process, we would have to disable Windows search and use alternate options to find locations.

1] Press Win + R to open the Run window and type the command services.msc. Press Enter to open the Service Manager window.

Run Services

 

2] Locate the Windows Search process. Right-click on it and select Properties.

3] Set the Startup type as disable and click on Stop to stop the process.

Disable Windows Search Service

4] Click on Apply and them on OK to save the settings.

5] Restart the system and check if it helps resolve the issue.


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