Microsoft Windows Search Protocol Host has stopped working

During the course of normal everyday usage of your Windows xi or Windows ten PC, you may experience the Microsoft Windows Search Protocol Host has stopped working upshot. This post provides the most suitable solutions afflicted PC users can employ to easily resolve this issue.

The following are variants of the error that PC users may experience:

SearchProtocolHost.exe does not have a valid signature
SearchProtocolHost.exe stopped working
Outlook: SearchProtocolHost.exe stopped working
The instruction at 0x00f01e40 referenced retentiveness at 0x00f01e40. The memory could not be written.
SearchProtocolHost.exe – Application Error

Microsoft Windows Search Protocol Host has stopped working

If the Microsoft Windows Search Protocol Host has stopped working on your Windows 11/10 calculator, you can try our recommended solutions below in no item order and see if that helps to resolve the issue on your system.

Run SFC Browse
Make certain Windows Search Service is running
Rebuild Search Index Settings
Reset Windows Search
Troubleshoot in Make clean Kicking country
Perform System Restore

Let'southward take a await at the description of the process involved apropos each of the listed solutions.

1] Run SFC Scan

Run SFC Scan

The Microsoft Windows Search Protocol Host has stopped working on your Windows 11/10 computer may be due to arrangement file errors on your PC. The SFC/DISM are both utilities native to the Windows operating system that allows PC users to scan for corruptions in Windows system files/image and restore corrupted files/image.

This solution requires yous to run an SFC scan and run into if that helps.

Related: Fix SearchProtocolHost.exe Application Error.

2] Make certain Windows Search Service is running

If the Windows Search service is disabled on your organization, you may encounter the outcome in hand. In this case, you can check and make sure Windows Search Service is running on your device.

Exercise the following:

Printing Windows fundamental + R to invoke the Run dialog.
In the Run dialog box, type services.msc and hit Enter to open Services.
In the Services window, scroll and locate the Windows Search service.
Right-click the entry and choose Start or Restart, depending on the current state of the service.
Adjacent, double-click on the entry to edit its properties.
In the properties window, click the drop-down on the Startup type and select Automatic (Delayed Start).
Next, make sure the service is started.
Click Apply > OK to relieve changes.
Exit Services Manager.
Restart PC.

3] Rebuild Search Index Settings

Basically, Windows Search is all almost indexing. So, in the effect that the Windows Search service is enabled on your Windows 11/10 PC but y'all notwithstanding encounter the mistake, you can rebuild the Windows Search Index Settings and see if that helps.

4] Reset Windows Search

Reset Windows Search and come across if that helps you.

5] Troubleshoot in Make clean Boot country

Troubleshoot in Clean Boot state

Some background applications, services or processes may be the crusade of the upshot in view. This task requires you to clean boot your Windows system to kick with a minimal prepare of drivers and startup programs. In that state, you tin and so enable other services one by one to discover out which is the conflicting service.

6] Perform Arrangement Restore

Perform System Restore

Given that your PC was working fine earlier and out of the blueish the issue developed. Information technology'due south possible your system has undergone some changes y'all are totally unaware of. In this example, you can use System Restore (whatever changes like application installs, user preferences and annihilation else made after the restore indicate will be lost) to revert to a date your system was operation usually.

To perform Organization Restore on your Windows xi/10 PC, do the following:

Press Windows key + R. to invoke the Run dialog.
In the Run dialog box, blazon rstrui and hit Enter to launch the System Restore Wizard.
At the initial screen of Organisation Restore, click Next.
At the next screen, check the box associated with Show more restore points.
Now, select a restore point prior to when you noticed the issue on your device.
Click Side by side to advance to the next menu.
Click Stop and confirm at the concluding prompt.

At the adjacent organization startup, your older reckoner state will exist enforced. The issue in hand should exist resolved at present. If non, y'all tin can reset the PC.

What does Microsoft Windows Search Protocol Host do?

Microsoft Windows Search Protocol Host also known as SearchProtocolHost.exe is part of the Windows Indexing Service. It's a process/awarding that indexes files on the local drive making them easier to search. This is a critical process of the Windows operating organization and should not be disabled or removed.

How practice I set up Microsoft Windows Search Indexer has stopped working?

If Windows Search Indexer has stopped working on your Windows eleven/10 PC you tin can fix it by rebuilding the Windows Search Index. To do then, follow these instructions: Outset, type Indexing Options in the First Menu'southward search box, and then click on the Advanced tab/push then click Rebuild. Now, change the value to nix and and then restart your PC.

How do I plough off Windows Search protocol?

To turn off or disable Windows Search protocol on Windows 11/10, open up the Services console. Find Windows Search in the list. Correct-click and cull properties. In Startup Type, change to Disabled and click Employ.