Lỗi Host Process For Windows Tasks

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If you spkết thúc any time poking around through your Task Manager window, you’ve probably seen a process named “Host Process for Windows Tasks.” In fact, you’ve likely seen multiple instances of this task running at the same time. If you’ve ever wondered what it was and why there are sometimes so many, we’ve got the answer for you.

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RELATED: What Is This Process & Why Is It Running on My PC?

This article is part of our ongoing series explaining various processes found in Task Manager, like Runtime Broker, svchost.exe pháo, dwm.exe pháo, ctfmon.exe cộ, rundll32.exe, Adobe_Updater.exe, and many others. Don’t know what those services are? Better start reading!


What Is It & Why Are There So Many in Task Manager?

Host Process for Windows Tasks is an official Microsoft core process. In Windows, services that load from executable (EXE) files are able to institute themselves as full, separate processes on the system and are listed by their own names in Task Manager. Services that load from Dynamic Linked Library (DLL) files rather than from EXE files cannot institute themselves as a full process. Instead, Host Process for Windows Tasks must serve as a host for that service.

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You will see a separate Host Process for Windows Tasks entry running for each DLL-based service loaded into lớn Windows, or possibly for a group of DLL-based services. Whether và how DLL-based services are grouped is up khổng lồ the developer of the service. How many instances you see depends entirely on how many such processes you have sầu running on your system. On my current system, I see only two instances, but on other systems, I’ve seen as many as a dozen.

Unfortunately, Task Manager gives you no way to lớn see exactly what services (or group of services) are attached to each Host Process for Windows Tasks entry. If you’re really curious to see what each instance is linked to, you’ll need lớn download Process Explorer, a không tính tiền Sysinternals utility provided by Microsoft. It’s a portable tool, so there’s no installation. Just tải về it, extract the files, & run it. In Process Explorer, select View > Lower Pane khổng lồ be able lớn see details for whatever process you select. Scroll down the danh sách và select one of the taskhostw.exe pháo entries. That’s the file name of the Host Process for Windows Tasks service.

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Looking through the details in the lower pane, I’m able to lớn piece together that this service is linked to lớn my audio drivers và also has Registry keys associated keyboard layout. So, I’m going to lớn assume it’s the service that monitors for when I press any of the media keys on my keyboard (volume, mute, và so on) & delivers the appropriate commands where they need to lớn go.

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Why Does It Use So Many Resources at Windows Startup?

Typically, the CPU & memory each instance of Host Process for Windows Tasks just depends on what service the entry is attached to. Normally, each service will consume the resources it needs lớn vày its job và then settle baông xã down lớn a baseline of activity. If you notice that any single instance of Host Process for Windows Tasks continually uses more resources than you think it should, you’ll need to traông xã down which service is attached to that instance và troubleshoot the related service itself.

You will notice that right after startup, all instances of Host Process for Windows Tasks may look lượt thích they’re consuming extra resources–especially the CPU. This is also normal behavior and should settle down quickly. When Windows starts, the Host Process for Windows Tasks scans the Services entries in the Registry and builds a menu of DLL-based services that it needs to lớn load. It then loads each of those services, và you’re going to see it consuming a fair bit of CPU during that time.

Can I Disable It?

No, you can’t disable Host Process for Windows Tasks. And you wouldn’t want to lớn anyway. It’s essential for being able to lớn load DLL-based services onkhổng lồ your system và, depending on what you’ve sầu got running, disabling Host Process for Windows Tasks could break any number of things. Windows won’t even let you temporarily end the task.

Could This Process Be a Virus?

The process itself is an official Windows component. While it’s possible that a virut has replaced the real Host Process for Windows Tasks with an executable of its own, it’s very unlikely. We’ve seen no reports of viruses that hijachồng this process. If you’d lượt thích to be sure, you can check out Host Process for Windows Tasks’ underlying tệp tin location. In Task Manager, right-cliông chồng Host Process for Windows Tasks & choose the “Open File Location” option.

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If the tệp tin is stored in your WindowsSystem32 thư mục, then you can be fairly certain you are not dealing with a virut.

That said, if you still want a little more peace of mind–or if you see that tệp tin stored anywhere other than the System32 folder–scan for viruses using your preferred virus scanner. Better safe than sorry!


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Walter GlennWalter Glenn is the Editorial Director for How-To Geek và its sister sites. He has more than 30 years of experience in the computer industry and over 20 years as a technical writer và editor. He"s written hundreds of articles for How-To Geek and edited thousands. He"s authored or co-authored over 30 computer-related books in more than a dozen languages for publishers lượt thích Microsoft Press, O"Reilly, và Osborne/McGraw-Hill. He"s also written hundreds of white papers, articles, user manuals, và courseware over the years. Read Full Bio »