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Search Protocol Host Process Failed: How to Restart it

You can fix searchprotocolhost.exe error by fixing system files

3 min. read

Updated onAugust 8, 2024

updated onAugust 8, 2024

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Key notes

Some users have reported to the Microsoft forums that they’re gettingSearch protocol host process failedvery often.

This can be a problem, and it can even causeFile Explorer search to stop working, so it’s important to fix it as soon as you can, and this guide will show you how to do that.

What is the search protocol host process?

What is the search protocol host process?

What can I do if Search Protocol Host process has failed?

What can I do if Search Protocol Host process has failed?

1. Check ifWindows Searchservice is enabled

Restarting this service can also help resolve issues with thesearchapp.exe processif it’s consuming excessive system resources.

2. Check indexing settings

Now check if your search works again after rebuilding the index. If you still can’t search yourfilesnormally, try some of the following system solutions.

3. Perform a clean boot

4.Use System File Checker Tool to repair damaged files

After doing that, check if the problem is gone.

5. Perform Disk Cleanup

To learn more, we have a great guide on how touse Disk Cleanup, so be sure to check it out.

6. Run DISM

Performing one of these four solutions should solve your problem with the Windows Search service.

But, if you’re still getting the Search Protocol Host processes failed message, try reading outQuick Search not workingguide for more solutions.

What method did you use to fix this error? Use the comments section below, and let us know.

More about the topics:System Errors,windows 10

Ivan Jenic

Windows Hardware Expert

Passionate about all elements related to Windows and combined with his innate curiosity, Ivan has delved deep into understanding this operating system, with a specialization in drivers and driver troubleshooting.

When he’s not tackling diverse driver-related problems, Ivan enjoys watching good movies and spending time hiking with his family and friends.

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Ivan Jenic

Windows Hardware Expert

Ivan has delved deep into understanding the Windows OS, with a specialization in drivers and driver troubleshooting.