What Is the WMI Provider Host (WmiPrvSE.exe), and Why Is It Using So Much CPU?

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The WMI Provider Host course of is a crucial a part of Home windows, and usually runs in the background. It permits different functions in your laptop to request details about your system. This course of shouldn’t usually use many system assets, however it might use loads of CPU if one other course of in your system is behaving badly.

This text is a part of our ongoing sequence explaining numerous processes present in Activity Supervisor, like Runtime Dealer, svchost.exe, dwm.exe, ctfmon.exe, rundll32.exe, Adobe_Updater.exe, and many others. Don’t know what these companies are? Higher begin studying!

What Is WMI Provider Host?

“WMI” stands for “Home windows Administration Instrumentation”. This can be a Home windows characteristic that gives a standardized approach for software program and administrative scripts to request details about the state of your Home windows working system and knowledge on it. “WMI Suppliers” present this data, when requested. For instance, software program or instructions might discover details about the state of BitLocker drive encryption, view entries from the occasion log, or request knowledge from put in functions that embody a WMI supplier. Microsoft has a listing of included WMI suppliers on its web site.

This can be a notably helpful characteristic for enterprises that centrally handle PCs, particularly as data might be requested by way of scripts and proven in a regular approach in administrative consoles. Nonetheless, even on a house PC, some software program you might have put in could request details about the system by the WMI interface.

You may also use WMI your self to search out quite a lot of helpful items of knowledge that aren’t usually uncovered in the Home windows interface by yourself PC. For instance, we’ve lined the WMI Command line device (WMIC) to get your PC’s serial quantity, discover your motherboard’s mannequin quantity, or simply to see the SMART well being standing of a tough drive.

Why Is It Using So Much CPU?

WMI Provider Host shouldn’t usually use a lot CPU, because it shouldn’t usually be doing something. It could often use some CPU when one other piece of software program or script in your PC asks for data by way of WMI, and that’s regular. Excessive CPU utilization is probably going only a signal that one other software is requesting knowledge by way of WMI.

Nonetheless, extended excessive CPU utilization is an indication one thing is fallacious. WMI Provider Host shouldn’t be utilizing a number of CPU assets all the time.

Restarting the Home windows Administration Instrumentation service could assist if it’s caught in a nasty state. You possibly can additionally simply restart your laptop, however there’s a technique to restart the service with out restarting your laptop. To do that, open your Begin menu, sort “Providers.msc”, and press Enter to launch the Providers device.

Find the “Home windows Administration Instrumentation service” in the listing, right-click it, and choose “Restart”.

Should you see persistently excessive CPU utilization, it’s doubtless that one other course of in your system is behaving badly. If a course of is consistently requesting a considerable amount of data from WMI suppliers, this may trigger the WMI Provider Host course of to make use of loads of CPU. That different course of is the drawback.

To establish which particular course of is inflicting issues with WMI, use the Occasion Viewer. On Home windows 10 or eight, you may right-click the Begin button and choose “Occasion Viewer” to open it. On Home windows 7, open the Begin menu, sort “Eventvwr.msc”, and press Enter to launch it.

In the left pane of the Occasion Viewer window, navigate to Purposes and Service LogsMicrosoftWindowsWMI-ActivityOperational.

Scroll by the listing and search for current “Error” occasions. Click on every occasion and search for the quantity to the proper of “ClientProcessId” in the backside pane. This tells you the ID variety of the course of that triggered the WMI error.

There’s an excellent probability you’ll see a number of errors right here. The errors could also be brought on by the identical course of ID quantity, or you might even see a number of completely different course of IDs inflicting errors. Click on every error and see what the ClientProcessId is to search out out.

Now you can pin down a course of which may be inflicting issues. First, open a Activity Supervisor window by urgent Ctrl+Shift+Escape or by right-clicking the taskbar and deciding on “Activity Supervisor”.

Click on over to the “Particulars” tab, click on the “PID” column to kind operating processes by course of ID, and find the course of matching the ID quantity that appeared in the Occasion Viewer logs.

For instance, right here, we’ve seen that the “HPWMISVC.exe” course of triggered these errors on this explicit laptop.

If the course of has since closed, you gained’t see it in the listing right here. Additionally, when a program closes and reopens, it would have a special course of ID quantity. That’s why it is advisable to search for current occasions, as the course of ID quantity from older occasions in your Occasion Viewer gained’t enable you discover something.

With this data in hand, you now know the course of which may be inflicting issues. You possibly can seek for its identify on the net to search out out the software program it’s related to. You may also simply right-click the course of in the  listing and click on “Open File Location” to open its location in your system, which can present you the bigger software program package deal the program is part of. Chances are you’ll must replace this software program should you use it, or uninstall it should you don’t.


Can I Disable WMI Provider Host?

It is technically attainable to disable the “Home windows Administration Instrumentation service” in your laptop. Nonetheless, this may break many various issues in your PC. It’s an necessary a part of the Home windows working system and must be left alone.

As the official description for this service says, “If this service is stopped, most Home windows-based software program is not going to perform correctly”. So don’t disable this service! You probably have an issue with it, it is advisable to establish the course of in your laptop that’s inflicting the WMI Provider Host to make use of a lot CPU and replace, take away, or disable that course of as an alternative.

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