application frame host

Application Frame Host on Windows computer

As you know, several processes are running on the background such as system idle process. And you may also see that application frame host is running in the background when you open the task manager. Here we will mainly talk about the application frame host.

Introduction to application frame host

The process’s file name is known as ApplicationFrameHost.exe, which is located at C:\Windows\System32 folder and is a necessary part of the windows 10 system.

This process is related to universal windows platform applications which is also known as store application that comes with windows 10.  Most of the apps that come with windows 10 are UWP apps, which are available from the windows store. To be clear, if you are using windows 10 in desktop mode or tablet mode, the application frame host process is aimed at displaying these applications in frame on your desktop. If this process is stopped then all open UWP apps will get closed.

Also, you can stop the application Frame Host process in Task Manager, the next time you open the UWP application the process will be launched automatically. Windows 10 launches it in the background as needed.

Why is application Frame Host Consuming CPU and memory?

Generally the application Frame Host process on your device should be in the background and should consume fewer amounts of CPU and memory. Even when you are launching several UWP applications on the system, the memory usage will only increase by tens of MB. When you are starting a UWP application, the process consumes less than 1% of the CPU for a while, and then it is used 0% of the CPU.

You may also find that sometimes, Application Frame Host process consumes high CPU. There is no definite cause of the situation, but it feels like a bug somewhere in windows 10. Therefore, you can end the process in task manager and then restart your system. Then the high CPU usage problem may get fixed.

If you still face the Application Frame Host high CPU error then you can try to update your system to run a virus scan using antivirus software.

Is Application Frame Host a virus?

Due to a virus it may disguise the Application Frame Host. Therefore, you will have to check if the process is genuine. Follow the steps to do so.

Step 1: press the Win + X keys at the same time to choose Task Manager.

Step 2: Find the application Frame Host in the list under the processes tab and then right- click it to select open file location.

Step 3: generally you can see ApplicationFrameHost.exe file in C:\Windows\System32 folder. Also, if the window shows you a file with a different name or the file is not in the system32 folder, then it may be a virus.


This article mainly focuses on the Application Frame Host. In this you will come to know the definition and how to identify the process is a virus or not. Hope this article fixes all your issues and helps you to solve your problem.