Do you notice that there is a process called app Frame Host running in the background?
If you do, then do you know why it is running on your rig?
This post fromMiniToolhas gathered much information about it.

As we know, several processes are running on the background such asSystem Idle Process.
And you might also find that tool Frame Host is running in the background if you openTask Manager.
This post is mainly talking about tool Frame Host.

Introduction to system Frame Host
First of all, what is system Frame Host?
If this process is forcibly ended, all open UWP apps will be closed.
Windows 10 launches it in the background as needed.
Why Is utility Frame Host Consuming CPU and Memory?
Sometimes, you may find that the app Frame Host process consumes high CPU.
There is no exact cause of the situation, but it seems like a bug somewhere in Windows 10.
The high CPU usage problem may be fixed.
Is app Frame Host a Virus?
Sometimes a virus may disguise it as the app Frame Host process.
Step 2: FindApplication Frame Hostin the list under theProcessestab and then right-click it to chooseOpen file location.
Bottom Line
This post focuses on the tool Frame Host.