Then what is it and should you remove or stop it?
In this post,MiniToolhas listed all the information about the hh.exe process.
There are a large number of executable files stored on your rig to run different applications.

you might findHxTsr.exeandSearchProtocolHost.exein the Windows File Explorer.
And this post focuses on the hh.exe process.
Related post:Windows 10 Explorer Keeps Crashing?
Here Are 10 Solutions
What Is Hh.exe?
First of all, what is hh.exe?
It represents the HTML Help Executable Program.
The hh.exe process is a legitimate Windows core file.
By calling the HTML Help ActiveX control, it will initiate the help file in the Help Viewer.
Should Your Remove or Stop Hh.exe?
Most non-system processes can be stopped because they are not necessary for the normal functionality of the operating system.
This also applies to the hh.exe process developed by Microsoft for their operating system.
That is to say, do not delete the Windows .exe file without absolutely knowing what you are doing.
This is because it may adversely affect system performance.
According to research, only a small percentage of people deleted this file from the system.
This means that in most cases, it can be considered harmless.
Therefore, there is no need to remove or block the hh.exe process.
How to Recognize Suspicious Variants?
Then how to recognize suspicious variants?
Whats more, you’ve got the option to also know how to recognize suspicious variants.