Agent Activation Runtime_15831 High CPU and Memory Consumption [Quick Solution for Windows 10/11]

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A Windows Server 2008 R2 SP1 machine running Microsoft SQL Server 2012 Standard Edition had been experiencing high CPU usage and memory consumption issues since it was upgraded to Windows Server 2016 Technical Preview 2. A restart resolved the problem.

The cause of the issue was a Service Host: Agent Activation runtime process consuming high CPU and memory resources. This article describes how to resolve the issue.

Method 1: Sign out of Cortana and turn it off in Task Manager so it doesn’t start up.

If you are having problems with Cortana, you might try Method 1. This method involves signing out of Cortana and disabling it from startup in Task Manager. Scroll down to find Cortana. If you see “Started,” change it to “Stopped.” Now restart your computer.

If you don’t want to sign out of Cortana, you can use Method 2.

Next Step : Now, Edit The Agent Activation Runtime Service Values In Registry Editor

To stop the Agent Activation runtime service, type “services.msc” into the run box and press enter. Once you are in Services MSC go to the registry editor and navigatetoHKEY_LOCAL_MICHINE\SYSTEM\CURRENTCONTROLSET\SERVICES\AARSVCDoubleclickonAARSVCandsetitsstartvalueto4.

Method 2: Turn on the Windows Audio Service again.

This method works well for all version of windows including xp, vista, 7, 8,10 etc.

The audio service is responsible for manageing sound devices like speakers, microphone, headphones, headset, and other hardware devices attached to computer.

In case of any problem related with audio device driver or software, this method help to fix those problems. You can follow the steps below to restart the audio service.

1. Click Start button and type “services.msc”.

2. Right click on the Services window and select Open Administrative Tools menu item.

3. Select Services applet from the left pane.

4. Find the name of the audio service you want to stop/restart and double click it.

Method 3: Re-install The Sound Driver

If you are facing problems while playing games or listening music on your PC, then it might be due to the issue related to the installation of the sound card driver. There are many reasons behind such problem like malware infection, corrupt registry files, improper removal of previous driver etc. In such cases, you need to uninstall the current driver and install the latest one. Here we are sharing a complete guide about how to solve this problem without wasting much time.

Step 1: Download and Install Device Manager

Download the “Device manager” app from here. You can download either 32bit or 64bit version according to your Windows OS. Once downloaded, open it and follow the steps given below.

Step 2: Launch the App

Once opened, go to the bottom left corner and select “View devices”. A list of installed devices will be displayed along with some information regarding each of them. Select the required device and press “Start”.

Step 3: Uninstall Old Driver

Now, you need to locate the older driver of the selected device. For this, simply scroll down and look for the name of the device. Click on it and a window will pop up asking whether you want to uninstall the driver or not. Choose yes and wait for the process to finish.

Updated: May 2024

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Method 4: Stop the Agent Activation Runtime Service from running.

The Microsoft Windows operating system provides a way to prevent unauthorized programs from running on your computer. This process is called “agent activation.

RECOMMENATION: Click here for help with Windows errors.

Frequently Asked Questions

Why does my computer keep freezing?

This could happen because your system is infected with malware. Malware often causes problems like slow performance, unexpected reboots, and program crashes. If your PC freezes frequently, try downloading and installing anti-malware software.

If that doesn’t work, call your local IT support team for help. They’re trained to identify and fix security issues.

What is AarSvc?

The UserDataSvc service allows apps to access information about your contacts, photos, calendar events, reminders, location history, messages, etc. This data is used to provide features like contact suggestions, photo browsing, event reminders, and more.

Apps that access user data must always ask for permission to do so. If you want to know what data an app wants access to, check out its privacy policy. You’ll find the URL there.

Some apps will ask for more permission if they detect that you haven’t allowed them access. For example, if you’ve never granted Facebook permission to use your camera, Instagram won’t be able to access your pictures unless you explicitly give it permission.

What is UserDataSvc service?

UserDataSvc is required for most Android applications. This service allows applications to store information about the device, such as user preferences, network connection status, etc. However, some apps require access to sensitive information like contacts, photos, videos, SMS messages, call logs, location, etc. If you are developing an application, make sure it does not use any of those features. You can read more about what permissions your app needs here.