What Does The 'Host Process for Windows Tasks in Windows 10' Means ?

Whenever we face some performance issues with our computer, the first thing we do is open up the Task Manager, and then look for the applications or components which are using the most resources. If you are familiar with Task Manager, then you must have also noticed that at times, the ‘Host Process for Windows Tasks’ or ‘Service Host’ process consuming resources. What these processes and what can you do if your Host process has stopped working or consumes high CPU, Disk or Memory usage.

Host Process for Windows Tasks

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Windows is essentially working just because of its Services. A large number of services running the background facilitate your daily tasks and operations. Some of these services are compiled into EXE files, and they are complete in themselves. These services show up in the Task Manager. But some services are written in DLL files, and they cannot be executed directly. Microsoft shifted to DLL files as they were easy to maintain and update from a programming point of view. DLL services require a host process, an EXE that can execute them and this is what ‘taskhost’ in Windows is.

Taskhost in Windows 10 is a core file located in the System32 folder and has been renamed as ‘taskhostw.exe’, from ‘taskhost.exe’ in Windows 7. If you find a file with this name in any other location, it could well be a virus and you might want to get it checked with your security software.
Each ‘Host Process for Windows Task’ is an instance of ‘taskhost’ running some service in the background. Although Windows Task Manager does not exactly let you view what services it is running, other tools can.

There might be times when you find that this process is using a lot of resources. You can now understand that this is caused due to the underlying service and not the process itself. Also, you might notice high consumption of resources at Windows startup. That is just because the taskhost is loading all the DLL files and scheduling to run them. Once it is completed, the usage will settle down to a lower value and will remain pretty low for rest of the time.
I mentioned earlier that the Task Manager does not let you view the underlying services. But you can use Process Explorer from Microsoft to view the services beneath the taskhost. It is a portable utility, and you can run it directly after downloading. You can use this tool to view all the details associated with the taskhost.
Find ‘taskhostw.exe’ in the left pane, and you can read all the details in the lower pane. Another way to view the list of DLL files loaded by taskhost is by typing in the following command in a cmd window:
tasklist /M /FI "IMAGENAME eq taskhostw.exe
Host Process for Windows Tasks
This command will list all the DLL files that were loaded by this process on Windows Startup. If you go through the list, you will find out some essential files that provide core functionality to Windows.
So, in a nutshell, Taskhost is a core Windows process that provides functionality to load and execute dynamic link libraries. Since it hosts various DLL files, sometimes it can consume resources at a more than normal rate. If you are facing any such issues where the process has stopped responding or is using a lot of resources. Use the Process Explorer, Performance Monitor and Resource Monitor, and try to troubleshoot the problem manually.