Microsoft Windows Search Indexer （或 searchindexer.exe）是为^{(Microsoft Windows Search Indexer)}Windows Search提供支持的关键进程。它会索引计算机上的文件和文件夹，并且考虑到其性质，它会偶尔消​​耗大量CPU 。但是，如果CPU使用率长时间保持较高水平，则可能表明存在需要解决的潜在问题。

在本教程中，我们将向您展示如何解决Windows 搜索索引器^{(Windows Search Indexer)}导致的高CPU和磁盘使用率问题，并提供适用于Windows 10和 11 的各种建议和解决方案。

重新启动 Windows 搜索服务

最好先重新启动计算机上的Windows 搜索。^{(Windows Search)}这应该可以解决小技术问题并减少由 searchindexer.exe 进程引起的高CPU使用率。^(CPU)要做到这一点：

1. 右键单击^{(Right-click)}“开始”^(Start)按钮并选择“运行”^(Run)。或者，按Windows + R。

1. 在运行框的“打开”^(Open)字段中键入 services.msc，然后选择“确定”。

1. 右键单击标记为^{(Right-click)}“Windows 搜索”^{(Windows Search)}的服务，然后选择“重新启动”^(Restart)。

或者，双击Windows 搜索^{(Windows Search)}并确保启动^(Startup)类型设置为自动^(Automatic)（延迟启动^{(Delayed Start)}）。

重新启动你的电脑

PC 重新启动可清除干扰系统相关进程的其他与软件相关的异常情况。保存您的工作，打开“开始”^(Start)菜单，然后选择Power > Restart。如果这没有影响，请继续进行其余的修复。

运行搜索^{(Run Search)}和索引疑难解答^{(Indexing Troubleshooter)}

Windows 11 和 10 具有内置的故障排除程序，可帮助诊断和修复与Windows Search相关的问题。运行它：

1. 右键单击^{(Right-click)}“开始”^(Start)按钮并选择“设置”^(Settings)。

1. 转至系统 > 故障排除。

1. 选择^(Select)其他疑难解答/其他疑难解答。

1. 选择“搜索^(Search)和索引”^(Indexing)旁边的“运行”^(Run)。

1. 按照屏幕上的提示修复Windows 搜索^{(Windows Search)}问题。

重建索引

Windows 搜索^{(Windows Search)}索引中的损坏问题通常会导致相关进程出现不稳定的行为。使用控制面板^{(Control Panel)}的索引选项^{(Indexing Options)}控制台从头开始重建索引。

注意：重建搜索索引需要时间，并会导致整个过程期间 CPU和HDD/SSD

1. 打开“运行”^(Run)框，键入 control.exe srchadmin.dll，然后选择“确定”。

1. 选择“索引^(Indexing)选项”^(Options)窗口底部的“高级”^(Advanced)按钮。

1. 选择重建。

注意：删除不想包含在Windows 搜索^{(Windows Search)}中的位置可以减轻 searchindexer.exe 进程的负载。选择“索引^(Indexing)选项”^(Options)控制台上的“修改”^(Modify)按钮，然后取消选中要排除的索引位置。

更新Windows

使用最新的补丁和更新使您的 Windows 操作系统保持最新状态可以帮助解决Windows 搜索索引器进程的高^{(Windows Search Indexer)}CPU使用率问题。这也有助于提高系统性能、安全性和稳定性。

要更新Windows，请打开“设置”^(Settings)应用，选择“Windows 更新”^{(Windows Update)}，然后选择“检查^(Check)更新”。如果有待处理的更新，请选择“下载^(Download)并安装”。

运行 SFC 扫描

系统文件检查器^{(System File Checker)}( SFC ) 是一个命令行工具，可以帮助修复导致Windows 搜索索引器^{(Windows Search Indexer)}出现故障的系统文件损坏问题。您可以通过提升的Windows PowerShell或命令提示符^{(Command Prompt)}控制台运行它。就是这样：

1. 右键单击^{(Right-click)}“开始”^(Start)菜单并选择Windows PowerShell/Terminal (管理员^(Admin))。或者，在“开始”^(Start)菜单中键入 cmd，然后选择“以管理员身份运行”^(Run)。

1. 运行以下命令：

证监会/scannow

1. 等待^(Wait)系统文件检查器^{(System File Checker)}扫描并修复Windows .

运行 DISM 工具来修复 Windows

接下来，运行DISM（部署映像服务^{(Deployment Image Servicing)}和管理^(Management)）工具来解决操作系统稳定性问题。只需^(Just)重新打开提升的Windows PowerShell或命令提示符^{(Command Prompt)}控制台并执行以下命令：

DISM.exe /Online/Cleanup-Image /Restorehealth

执行干净启动

干净启动 Windows可帮助您识别导致与^{(Clean booting Windows)}Windows 搜索索引器^{(Windows Search Indexer)}发生冲突的第三方应用程序或服务。要做到这一点：

1. 打开“运行”^(Run)框，键入 msconfig，然后选择“确定”。

1. 切换到服务^(Services)选项卡，选择隐藏^(Hide)所有Microsoft服务，然后选择全部禁用^(Disable)。

1. 重启你的电脑。如果 Microsoft Windows 搜索索引器的高CPU使用率不再成为问题，请单独或批量重新启用禁用的服务，以识别冲突的项目。

此外，打开任务管理器，从^{(Task Manager)}“启动”^(Startup)选项卡禁用任何非 Microsoft 登录项，然后检查这是否有帮助。

检查是否存在恶意软件

恶意软件^(Malware)可以劫持Windows 搜索索引器^{(Windows Search Indexer)}并导致CPU使用率过高。运行完整的系统扫描以检测并删除系统中的恶意软件。要做到这一点：

1. 打开“开始”^(Start)菜单，在搜索框中键入“Windows 安全” ，然后按^{(Windows Security)}Enter。

1. 选择病毒和威胁防护。

1. 选择扫描选项。

1. 选择“全面^(Full)扫描”旁边的单选按钮，然后选择“立即扫描”^(Scan)。

1. 等待^(Wait)Windows 安全^{(Windows Security)}扫描您的计算机是否存在恶意软件。

您可以使用Microsoft Defender 防病毒软件^{(Microsoft Defender Antivirus)}（离线^(Offline)扫描）来跟进，它会彻底扫描您的计算机以查找隐藏的威胁。您还可以使用第三方防病毒程序^{(use third-party anti-virus programs)}来应对顽固的恶意软件^{(deal with stubborn malware)}。

恢复出厂设置 Windows

如果上述方法均无效，请考虑将电脑恢复出厂设置。这将擦除计算机中的所有数据，将操作系统恢复到原始状态，并解决Windows 搜索索引器^{(Windows Search Indexer)}的严重根本问题。在继续之前，请确保备份所有重要文件和文档^{(back up all important files and documents)}。

要启动恢复出厂设置，请打开“设置”^(Settings)应用程序，然后转至System > Recovery > Reset PC。有关全面的分步说明，请查看我们的将Windows 11^{(resetting Windows 11)}和10 重置为出厂默认^{(10 to factory defaults)}设置的指南。

How to Reduce the “Microsoft Windows Search Indexer” High CPU Usage

Microѕoft Windows Seаrch Indexer, or searchindexer.exe, is a crucial process that powers Windows Search. It indexes the files and folders on your computer and, given its nature, consumes lots of CPU at sporadic intervals. However, if CPU usage remains high for prolonged periods, it may indicate an underlying problem that needs to be addressed.

In this tutorial, we’ll show you how to tackle high CPU and disk usage caused by the Windows Search Indexer with various suggestions and solutions for Windows 10 and 11.

Restart Windows Search Service

It’s best to begin by restarting Windows Search on your computer. That should resolve minor technical issues and reduce high CPU usage caused by the searchindexer.exe process. To do that:

1. Right-click the Start button and select Run. Or, press Windows + R.

1. Type services.msc into the Run Box’s Open field and select OK.

1. Right-click the service labeled Windows Search and select Restart.

Optionally, double-click Windows Search and ensure that Startup type is set to Automatic (Delayed Start).

Restart Your PC

A PC reboot clears out additional software-related anomalies that interfere with system-related processes. Save your work, open the Start menu, and select Power > Restart. If that makes no difference, move on with the rest of the fixes.

Run Search and Indexing Troubleshooter

Windows 11 and 10 have a built-in troubleshooter that helps diagnose and fix issues related to Windows Search. To run it:

1. Right-click the Start button and select Settings.

1. Go to System > Troubleshoot.

1. Select Other troubleshooters/Additional troubleshooters.

1. Select Run next to Search and Indexing.

1. Follow the onscreen prompts to fix issues with Windows Search.

Rebuild Index

Corruption issues within the Windows Search index often lead to erratic behavior with related processes. Use the Control Panel‘s Indexing Options console to rebuild the index from scratch.

Note: Rebuilding the search index takes time and causes high CPU and HDD/SSD usage for the duration of the procedure.

1. Open a Run box, type control.exe srchadmin.dll, and select OK.

1. Select the Advanced button at the bottom of the Indexing Options window.

1. Select Rebuild.

Note: Removing locations you don’t want to include within Windows Search can lessen the load on the searchindexer.exe process. Select the Modify button on the Indexing Options console and uncheck the indexed locations you wish to exclude.

Update Windows

Keeping your Windows operating system up to date with the latest patches and updates can help resolve high CPU usage issues with the Windows Search Indexer process. This also helps improve system performance, security, and stability.

To update Windows, open the Settings app, select Windows Update, and select Check for updates. If there are pending updates, choose Download and install.

Run an SFC Scan

The System File Checker (SFC) is a command line tool that can help fix system file corruption issues causing the Windows Search Indexer to malfunction. You can run it via an elevated Windows PowerShell or Command Prompt console. Here’s how:

1. Right-click the Start menu and select Windows PowerShell/Terminal (Admin). Or, type cmd into the Start menu and choose Run as administrator.

1. Run the following command:

sfc /scannow

1. Wait until the System File Checker scans for and fixes Windows.

Run DISM Tool to Fix Windows

Next, run the DISM (Deployment Image Servicing and Management) tool to resolve issues with operating system stability. Just re-open an elevated Windows PowerShell or Command Prompt console and execute the following command:

DISM.exe /Online /Cleanup-Image /Restorehealth

Perform a Clean Boot

Clean booting Windows helps you identify third-party applications or services causing conflicts with the Windows Search Indexer. To do that:

1. Open a Run box, type msconfig, and select OK.

1. Switch to the Services tab, select Hide all Microsoft services, and choose Disable all.

1. Restart your computer. If the Microsoft Windows Search Indexer’s high CPU usage stops becoming an issue, re-enable the disabled services individually or in batches to identify the conflicting item.

Additionally, open the Task Manager, disable any non-Microsoft login items from the Startup tab, and check if that helps.

Check for Malware

Malware can hijack the Windows Search Indexer and result in high CPU usage. Run a full system scan to detect and remove malicious software from your system. To do that:

1. Open the Start menu, type Windows Security into the search box, and press Enter.

1. Select Virus & threat protection.

1. Select Scan options.

1. Select the radio button next to Full scan and choose Scan now.

1. Wait until Windows Security scans your computer for malware.

You can follow that up with a Microsoft Defender Antivirus (Offline scan), which scans your computer thoroughly for hidden threats. You can also use third-party anti-virus programs to deal with stubborn malware.

Factory Reset Windows

If none of the above methods work, consider factory resetting your PC. This will wipe all data from your computer, return the operating system to its original state, and resolve severe underlying issues with the Windows Search Indexer. Before proceeding, make sure to back up all important files and documents.

To initiate a factory reset, open the Settings app and go to System > Recovery > Reset PC. For comprehensive step-by-step instructions, check our guides to resetting Windows 11 and 10 to factory defaults.

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