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The tool is completely free and gives you detailed information for each process currently running. Once you download it, just run the exe file as it does not have to be installed. The nice thing about process explorer is that it gets you the friendly name for each process instead of the short name. One last thing I wanted to mention was the fact that the Windows 8 task manager basically makes using the command line or Process Explorer totally obsolete. Here you will see every svchost. Now that you have figured out exactly which process is eating up all of your CPU, we can address how to fix it.

How to Fix Svchost.exe High CPU Usage

If you have found that the process is not a Windows process, such as Windows Update or Windows Firewall, etc, then simply kill the process and uninstall the program. However, most of the time that this problem occurs, it has something to do with a Windows process. Also, if you can get to the Services tab like we did above, go ahead and right-click on the service and choose Disable. Re-enable the service and restart the computer again and hopefully things are working!

In order to disable a service in Windows, right-click on it from the Services tab and choose Properties.

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Next choose Disabled from the Startup type combo box located in the middle of the dialog box:. I have gone through this process a couple of times and it has worked for me. So again, first disable the service, then restart computer, then install updates manually, then re-enable service, and then restart computer again. Do a Google search for repair install and follow the steps. If you have any questions, post a comment.


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  3. Svchost.exe (Service Host) Using 100% CPU Resources in Windows – Identify Causing Services.
  4. He has over 15 years of industry experience in IT and holds several technical certifications. Read Aseem's Full Bio. A service in Windows is simply a program in the operating system that does a particular job and runs in the background at all times when your computer is on, even if you are not logged in. Most programs that you are familiar with run as a stand-alone executable, such. However, most services are implemented in the form of DLLs, which cannot run on their own.

    Hence, svchost loads those DLLs and runs them itself. If you want more info on the Task Manger, check out my articles on understanding the Task Manager. There are actually two ways to go about this: doing it all manually using the command prompt and Services tool or by using a third party application.

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    In Windows 8. However, these names are still very cryptic and are all short-hand names.


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    • Helpful answers.

    In order to get some more useful information about the process, we can use the Services browser in Windows. Right-click on My Computer , choose Manage.

    rpcsvchost using 99% CPU !!

    On the resulting screen, choose Computer Management and then choose Services and Applications. Finally, choose Services. Now try to match the cryptic Windows service name with the easily readable names in the Services tab. As you can see, the Windows Driver Foundation service is actually called wudfsvc for short!

    macos - rpcsvchost using 99% CPU on MacBook Pro - Super User

    If you found to be too difficult, there is a much easier way! The tool is completely free and gives you detailed information for each process currently running. Once you download it, just run the exe file as it does not have to be installed. The nice thing about process explorer is that it gets you the friendly name for each process instead of the short name.

    One last thing I wanted to mention was the fact that the Windows 8 task manager basically makes using the command line or Process Explorer totally obsolete.