How to Repair High CPU Usage by RuntimeBroker.Exe on Windows 10 PC

  • A faulty Windows program or third-party software can make Runtime Broker use 100% of CPU up to a gigabyte of RAM.
  • This can cause your Windows 10 computer to be slow or unresponsive.
  • If you find that your CPU and RAM are being used very heavily and your computer is running slowly, you are probably having a problem with some application on your computer.

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How Many Runtime Brokers Should Be Running

Why does Window 10 run the Runtime Broker program (RuntimeBroker.exe)?

As part of Windows 10, Runtime Broker checks to see if all permissions (such as access to photos) are stated in an app and if they are, it notifies the user.

What Is Runtime Broker Windows 10

Runtime Broker, a trusted process within Windows 10, manages app permissions. An application’s permissions are checked, and the user is notified if the application is allowed or not (for example, if it is allowed to access Photos). It also checks whether an app is allowed to access hardware, like the webcam. It is a middleman between your application and your Windows 10 PC’s privacy/security.

Runtime Broker Multiple Instances

During the runtime broker.exe process, all open apps are checked and verified to make sure they have the proper permissions and have declared them to the user. As you’ll see in the screenshot above, I have multiple instances of Runtime Broker running. That’s because I was using several apps at the time. These permissions could include access to the camera, microphone, files, and so on.

Runtime Broker In Task Manager

Runtime Broker is an official Microsoft core process that debuted in Windows 8 and continues in Windows 10. It is used to determine whether universal apps you got from the Windows Store–which were called Metro apps in Windows 8–are declaring all of their permissions, like being able to access your location or microphone. Though it runs in the background all the time, you will likely see its activity rise when you launch a universal app. You can think of it like a middleman hooking your universal apps with the trust and privacy settings you’ve configured.

Service Host Time Broker

It helps manage app permissions and ensures apps behave correctly in Windows 10 by using a runtime broker. However, the broker itself can occasionally throw a fit and consume system resources. In Windows 10, you may receive a runtime broker error about high CPU consumption. Here’s how to fix it.

In other words, it links your app to the privacy and security of your Windows 10 PC while checking whether it can access hardware, such as a webcam.

What causes RuntimeBroker.exe’s high CPU load?

Runtimebroker Exe The Group Or Resource

Windows updates may cause errors such as runtimebroker.exe errors when checking and running them on your computer. This may cause updates to not download or install completely.

Runtime Broker High Memory

It does not consume much system resources when running in the background. It uses about 25-30% of your CPU when running the metro app, and then it goes back to zero when not used. You may have some problems with the Runtime Broker if it consistently uses high CPU, or spikes it even when you aren’t using a Metro app. Below are some steps you can take to fix the issues.

As a rule, Runtime Broker will consume very little CPU memory or CPU resources, however in some cases, faulty Windows programs or third-party software may cause Runtime Broker to consume 100% of the CPU or as much RAM as a gigabyte. In Windows 10, this can slow down or make your computer unresponsive.

It is probably something on your computer that is causing your CPU and RAM to be overloaded and your computer to run slowly.

How to eliminate high CPU load from RuntimeBroker.exe?

Updated: February 2024

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In Windows 8 and 10, RunTime Broker is utilizing 99% of the CPU and it is a vital part of Windows Security. The registry tweak here will enable you to disabling the Runtime Broker permanently in Windows 10 and fix the high CPU and disk usage of the runtime broker It is responsible for pairing the functionality of an application with the hardware.

Turn off background applications

  1. Settings – Privacy can be found there.
  2. To access Background Applications, click the left-hand pane on the next screen.
  3. If you want to disable background apps, you can do so on the right side.

Change the background of the lock screen

  1. Personalization can be found under Settings.
  2. Select Lock Screen from the left-hand pane on the next screen.
  3. The right pane should have a picture background.

Disable updates from multiple locations

  1. You can find the update and security settings under Settings – > Updates.
  2. From the left pane, select Distribution Optimization.
  3. The option to load from other computers can be disabled by scrolling down in the right pane.
  4. Your computer needs to be rebooted.

Stop the Runtime Broker process in Task Manager

  1. Select Task Manager from the right-click menu of the Start button.
  2. The Runtime Broker can be stopped by selecting Stop from the Task Manager screen.

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Frequently Asked Questions

The easiest and fastest way to fix it temporarily is to stop the RuntimeBroker.exe process on your Windows computer. Go to the "Processes" tab in the Task Manager window, select Runtime Broker from the list, right-click, and select "End Task" to forcibly close Runtime Broker.

RuntimeBroker.exe is a secure Microsoft process that is included in Windows 8 and Windows 10 to support application permissions. It has low system consumption and requires less than 3,000k RAM.

RuntimeBroker.exe is an intermediate process that provides access to (Universal) / (Metro Apps). We can disable it through the registry editor, as well as through the parameter that RuntimeBroker.exe constantly uses to call Windows update settings from updates.

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Mark Ginter is a tech blogger with a passion for all things gadgets and gizmos. A self-proclaimed "geek", Mark has been blogging about technology for over 15 years. His blog,, covers a wide range of topics including new product releases, industry news, and tips and tricks for getting the most out of your devices. If you're looking for someone who can keep you up-to-date with all the latest tech news and developments, then be sure to follow him over at Microsoft.