What Is Runtime Broker On Windows 10 And Should You Worry About It?

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Edgar Nicov

How-To

6 min. read

Published on October 1, 2025

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Runtime Broker is a Windows 10 process that manages permissions for apps from the Windows Store. It acts as an intermediary, ensuring that these apps only access the resources they’re authorized to use. While it’s a crucial part of the Windows security model, it can sometimes consume excessive CPU or memory, leading to concerns about its impact on system performance.

Understanding Runtime Broker is essential for maintaining a smooth and efficient Windows 10 experience. This article will delve into the purpose of Runtime Broker, how to monitor its resource usage, and what steps you can take if it’s causing problems. We’ll also address common misconceptions and help you determine whether its behavior warrants concern.

What Does Runtime Broker Do and Should You Be Concerned?

Runtime Broker is a legitimate Windows process, and it’s generally not something to worry about. Its primary function is to verify the permissions of Universal Windows Platform (UWP) apps. These are the apps you typically download from the Microsoft Store. When a UWP app requests access to your location, microphone, or other system resources, Runtime Broker steps in to confirm that the app has the necessary permissions.

However, if you notice that Runtime Broker is consistently using a high percentage of your CPU or memory, it could indicate a problem. This could be due to a poorly coded app, conflicting software, or even a malware infection disguised as the Runtime Broker process. Let’s explore how to monitor its activity and troubleshoot potential issues.

How to Check Runtime Broker’s Resource Usage

Monitoring Runtime Broker’s resource usage is a straightforward process using the Task Manager:

Open Task Manager: Press `Ctrl + Shift + Esc` to open the Task Manager.
Locate Runtime Broker: In the “Processes” tab, scroll down to find “Runtime Broker.”
Observe CPU and Memory Usage: Check the “CPU” and “Memory” columns to see how much of these resources Runtime Broker is using.

A normal level of CPU usage for Runtime Broker is typically below 5%. If you consistently see it above 15% or higher, especially when you’re not actively using any UWP apps, it’s worth investigating further.

Troubleshooting High Runtime Broker Usage

If you’ve identified that Runtime Broker is consuming excessive resources, here are several steps you can take to troubleshoot the issue:

Close Unnecessary UWP Apps: UWP apps can sometimes continue to run in the background even when you’re not actively using them. Close any UWP apps that you’re not currently using to see if it reduces Runtime Broker’s resource usage.
Update Your Apps: Outdated apps can sometimes cause performance issues. Check the Microsoft Store for any available updates for your installed apps.
Uninstall Problematic Apps: If you suspect a specific app is causing the issue, try uninstalling it and see if that resolves the problem. You can always reinstall the app later if needed.
Disable Background Apps: Some apps are allowed to run in the background and consume system resources even when you’re not actively using them. You can disable background app activity in the Windows settings:

Go to Settings > Privacy > Background apps.
Toggle off the apps you don’t want running in the background.

Run a Malware Scan: Although rare, malware can sometimes disguise itself as a legitimate process like Runtime Broker. Run a full system scan with your antivirus software to rule out this possibility.
Update Windows: Make sure your Windows installation is up to date. Microsoft often releases updates that improve system performance and fix bugs.

Go to Settings > Update & Security > Windows Update.
Click Check for updates.

Understanding Runtime Broker’s Role

It’s important to remember that Runtime Broker is a necessary component of Windows 10. Disabling or removing it can cause instability and prevent UWP apps from functioning correctly. The goal is not to eliminate Runtime Broker, but rather to ensure that it’s operating efficiently and not consuming excessive resources.

Tips for Managing System Performance

Here are some additional tips to help you manage your system’s performance and prevent issues with Runtime Broker:

Regularly Monitor Resource Usage: Keep an eye on your CPU and memory usage using Task Manager to identify any potential problems early on.
Keep Your System Clean: Uninstall any programs you no longer use and clean up temporary files to free up disk space and improve performance.
Use a Lightweight Antivirus: Choose an antivirus program that doesn’t consume excessive system resources.
Consider an SSD: If you’re still using a traditional hard drive, upgrading to an SSD can significantly improve your system’s overall performance.

Comparison of Similar Windows Processes

Process Name	Description	Resource Usage (Typical)	Potential Issues
Runtime Broker	Manages permissions for Windows Store apps.	Low (0-5% CPU)	High CPU/Memory usage due to problematic apps.
System Idle Process	Represents the percentage of time the CPU is idle.	High (90%+ CPU)	Consistently low usage might indicate high system load.
Service Host Processes	Host services required by Windows and third-party applications. Multiple instances exist.	Varies	High usage in a specific Service Host may indicate a problem with a service.
Windows Defender Antivirus Service	Provides real-time protection against malware.	Varies, especially during scans	Can cause slowdowns during active scans.

This table illustrates how Runtime Broker compares to other common Windows processes in terms of their function, typical resource usage, and potential issues. Understanding these differences can help you better diagnose performance problems on your system.

Keeping Your System Running Smoothly

By understanding Runtime Broker’s function, monitoring its resource usage, and taking proactive steps to troubleshoot any issues, you can ensure that your Windows 10 system runs smoothly and efficiently. Remember to keep your apps updated, disable unnecessary background processes, and regularly scan for malware to maintain optimal performance.

FAQ

What happens if I end Runtime Broker in Task Manager? Ending Runtime Broker will likely cause UWP apps to malfunction or crash. It’s not recommended.

Is Runtime Broker a virus? No, Runtime Broker is a legitimate Windows process. However, malware can sometimes disguise itself as Runtime Broker.

Why is Runtime Broker using so much CPU? High CPU usage can be caused by problematic apps, outdated software, or malware.

How do I reduce Runtime Broker’s CPU usage? Try closing unnecessary UWP apps, updating your apps, disabling background apps, and running a malware scan.

Can I disable Runtime Broker? It’s not recommended to disable Runtime Broker, as it’s a core component of Windows 10 and is required for proper UWP app functionality.

Optimizing Windows 10 Performance

Understanding Runtime Broker and its role in managing app permissions is crucial for maintaining a healthy Windows 10 system. By following the troubleshooting steps outlined above, you can address any potential performance issues and ensure a smooth user experience.