Svchost.exe High CPU Usage? What’s Service Host?[2021 FIX]

Svchost.exe is a Windows service host process that runs under the System account and hosts services for other processes. It’s also responsible for running Windows services, which are background tasks that can be started by users or software.

how to fix svchost.exe high cpu usage is a question that has been asked by many people. The Svchost.exe High CPU Usage? article from BleepingComputer will answer the question.

In Task Manager, you just observed Svchost.exe using a lot of CPU.


You may be wondering what Service Host is.

Svchost.exe (Service Host) is a legal Microsoft Windows OS process that is responsible for executing essential Windows services.  

Users have recently complained that when they opened their Task Manager, they saw that Svchost.exe was consuming a lot of CPU/RAM, almost 90% of it.

First and foremost, do not be concerned; you are not alone in this, and many people have attempted to deactivate svchost.exe’s excessive CPU use on Windows 11.


We’ve put together a list of the best ways to repair svchost.exe’s excessive CPU use.

There are a few key concerns about the Svchost exe problem that you should consider before proceeding with the repair.

What is the purpose of Svchost.exe? What is the purpose of svchost.exe?

Svchost.exe stands for Service Host and was first introduced in Windows 7. It is also present in Windows 10 and 11.

It was created by Microsoft for the Windows operating system and is responsible for loading other essential Windows services.

Svchost.exe is a medium that helps load services from DLL files and handles other associated services. It is located in C:WindowsSystem32.

As a result, whenever Svchost.exe assists the Windows OS in managing services, it consumes a lot of RAM and GPU, sometimes more than 90%.

See also: ntoskrnl.exe BSOD

Why are there so many instances of svchost.exe running?

There are so many svchost.exe running because one svchost used to run at least 15 services in earlier versions of Windows, but in Windows 10 and subsequent versions, one service is run by just one svchost.

So you don’t have to be concerned if you notice a lot of svchost.exe processes running since they will make things simpler and smoother.

Is it possible that svchost.exe is a virus? How can I know whether I’m infected with the svchost virus?

Svchost.exe is completely secure since it is a genuine Microsoft Corporation application that has been digitally signed. However, most users have not found it to be safe.

Because it is lawful, hackers may target it in order to make modifications and carry out illicit operations through svchost exe.

Furthermore, if you are a Windows XP user and find service host cryptographic services operating on your computer, it is an undesirable application since this file is no longer functional.

Also, we can eliminate any doubts about whether or not the windows processes service host is a virus by looking at the file location, which should be in the default file location when it was created.

Still, if you want to be cautious, you may use Task Manager to see whether there’s a virus:

  1. To launch Task Manager, press the Ctrl + Shift + Esc keys simultaneously.
  2. Look for svchost.exe in the Details section.
  3. Also, make sure the name in the description column on the right side is accurate.
  4. Select Open file location from the context menu by right-clicking on it.
  5. If it’s in C:WindowsSystem32, double-click it.Svchostexe-High-CPU-Usage-Whats-Service-Host2021-FIX

And if it’s not in the provided address, it may be a virus or malware, therefore my suggestion is to perform a complete system check with your anti-virus software.

Also see: What is Acrord32.exe and What Does It Do?

Run the Windows Update Troubleshooter as a first step.

The first thing you may do is launch Svchost.exe as the Windows update troubleshooter. When Windows searches for updates in the background, it may use a lot of CPU.

To repair Svchost.exe on Windows 11, just follow the instructions below:

  1. Select the Search icon.
  2. Select System from the drop-down menu.
  3. Now search for Troubleshoot and choose it.1632222647_351_Svchostexe-High-CPU-Usage-Whats-Service-Host2021-FIX
  4. Select the Other troubleshooter option after that.1632222648_28_Svchostexe-High-CPU-Usage-Whats-Service-Host2021-FIX
  5. Select Windows Update under the other heading and press the Run button.1632222649_260_Svchostexe-High-CPU-Usage-Whats-Service-Host2021-FIX
  6. Now, follow the on-screen prompts until the troubleshooting is complete.
  7. After it has finished detecting and resolving the issues, restart your computer to check if Svchost.exe High CPU Usage has been resolved.

Solution 2: Virus and Threat Scan Svchost.exe consumes a lot of CPU.

You may get a virus when you download anything from a bad website.

Even if you have an antivirus program installed on your computer, it will not be able to completely secure your system.

It may also cause Svchost.exe to use a lot of CPU, RAM, and network resources.

To get rid of Svchost.exe High CPU Usage in Windows 11, do a malware check using the built-in virus protection program in Windows 11.

Here’s how to do it:

  1. Select the Search icon.
  2. Make a selection of options.
  3. Now choose Privacy & Security > Windows Security from the drop-down menu.1631971147_356_FIX-Console-Windows-Host-High-Memory-Usage-What-is-Conhostexe
  4. Click on Quick scan under Virus & Threat Protection.1631971148_776_FIX-Console-Windows-Host-High-Memory-Usage-What-is-Conhostexe
  5. Wait for the scan to complete before deciding whether you want to delete or block the infection.
  6. Then restart your computer to check if Svchost.exe High CPU has been resolved.

Also see: TOASTER.EXE Error

Solution 3: To fix Service Host Cryptographic Services, clear the Event Viewer logs.

Svchost.exe Unnecessary log files in Windows event viewer may cause high CPU/RAM consumption.

To get rid of such files, empty the event viewer logs.

Here’s what you’ll have to do:

  1. Press the Windows key and the R key at the same time.
  2. The Dialogue Box for Running will display.
  3. Enter “eventvwr” into the search box.1632017560_167_Wmi-Provider-Host-High-CPU-Usage-WmiPrvSEexe-2021
  4. The window for the Event Viewer will appear.
  5. You’ll now notice a lot of additional things if you click on Windows Logs.
  6. Clear the log by right-clicking on the Application.1632222652_932_Svchostexe-High-CPU-Usage-Whats-Service-Host2021-FIX
  7. To clear their logs, follow the same procedures for Setup Log, System Log, and Security Log.
  8. Check whether the service host cryptographic services are solved after restarting your PC.

If the previous remedy failed to resolve your Svchost.exe High CPU Usage issue, try the following one.

Solution 4: Fix Svchost.exe’s High CPU Usage by Updating Windows 11

Svchost.exe is sometimes caused by an out-of-date computer. In Windows 11, there is a lot of CPU use.

To get the most performance out of your PC, ensure sure your Windows OS is up to date. New updates will address problems and faults like svchost.exe and excessive memory consumption.

So, here’s how to upgrade your Windows 11 operating system:

  1. Select the Windows icon.1631969107_878_Audio-Renderer-Error-YouTube-Simple-Ways-Explained-2021
  2. When you click the settings icon, a new window will appear.
  3. From the left menu, choose Windows Update.1631969107_627_Audio-Renderer-Error-YouTube-Simple-Ways-Explained-2021
  4. A new window will appear.
  5. Then, on the Check for Updates icon, click.1631969108_153_Audio-Renderer-Error-YouTube-Simple-Ways-Explained-2021
  6. If an update is available, it will begin upgrading the PC.1631969108_108_Audio-Renderer-Error-YouTube-Simple-Ways-Explained-2021
  7. It will take some time for Windows to update, and then you may restart your computer to see whether svchost.exe is still using a lot of CPU.

MMC.exe Error Blocked (Also Read)

Solution 5: To fix Svchost.exe, disable the BITS service.

When BITS uses a lot of bandwidth, it may cause Svchost.exe to consume a lot of RAM.

BITS (Background Intelligent Transfer Service) is a feature of the Microsoft Windows operating system that is used to download critical system updates in the background, such as Windows Update.

As a result, Svchost.exe is generated, resulting in high RAM/CPU use; thus, to solve Svchost.exe excessive CPU usage, you must deactivate the BITS service.

Remember that deactivating Background Intelligent Transfer Service will have no effect on your computer’s everyday performance and that everything will continue to function properly.

Here’s how to turn it off:

  1. To launch the Run window, press Windows key + R.
  2. Then, to access the service app, type services.msc and click OK.1632222655_398_Svchostexe-High-CPU-Usage-Whats-Service-Host2021-FIX
  3. Scroll down until you locate Background Intelligent Transfer Service, then double-click it to access its properties.
  4. Select Disabled from the Startup Type drop-down list in the Startup Type section.1632222652_932_Svchostexe-High-CPU-Usage-Whats-Service-Host2021-FIX
  5. Check whether Svchost.exe’s excessive CPU use has been resolved after restarting your computer.

Also see: What is LockApp.exe? What is it, exactly? Is it secure?

Solution 6: To Fix Svchost.exe’s High CPU Usage, Delete the Software Distribution Folder

Windows keeps its downloaded updates in the software distribution folder, and if the files in that folder become damaged, Svchost.exe will use a lot of CPU.

Here’s how you’ll be able to get rid of it:

  1. To launch the Run window, press Windows key + R.
  2. Then, to access the service app, type services.msc and click OK.
  3. Scroll down until you locate the Windows Update service and right-click it to stop it.1632222656_576_Svchostexe-High-CPU-Usage-Whats-Service-Host2021-FIX
  4. Now open File Explorer and go to C:Windows.
  5. Select Delete from the right-click menu on the SoftwareDistribution folder.1632222656_576_Svchostexe-High-CPU-Usage-Whats-Service-Host2021-FIX
  6. An empty SoftwareDistribution folder will be created immediately after resuming to hold downloaded updates, and svchost.exe will be repaired.

Also see: What Is the Microsoft Block Level Backup Engine Service and How Do I Fix It?

Scan System Files to Fix Svchost.exe (Solution 6)

Most problems are caused by corrupted files, therefore to repair the svchost.exe error, start by examining the system files.

Using the command prompt, you may do this.

When entering instructions, pay attention to the spaces between the ‘/’ and the word.

So, here’s what you need to do to repair the cryptographic services hosted by the service host:

  1. By hitting the window key and typing “Command Prompt,” you can find it.
  2. Select “Run as Administrator” from the context menu when you right-click “Command Prompt.” The option is also accessible in the window’s right pane.
  3. Enter “DISM.exe /Online /Cleanup-image /Res” into the command prompt.
  4. The procedure may take up to 30 minutes to finish.
  5. Once the process is complete, enter “sfc /scannow” into the command prompt and click Enter.
  6. If any files were corrupted, the command line would display the following message: “Windows Resource Protection identified damaged files and successfully repaired them.”
  7. If this is the case, type exit and press enter.
  8. By now, any corrupted files caused by the Svchost.exe issue would have been repaired.
  9. You may restart your computer to see if the Svchost.exe issue in Windows 7 still persists.1632017553_564_Wmi-Provider-Host-High-CPU-Usage-WmiPrvSEexe-2021


So, these are the finest svchost exe solutions we could find for you. In Windows 11 and later, there is a lot of CPU use.

Disabling svchost.exe from your system is not a simple task, and we don’t advocate it, therefore we’ve given you with the best options.

So, if the svchost exe is behaving like malware and stealing your personal data, don’t take it lightly and don’t attempt to ignore it.

It’s ideal if you attempt all of the remedies, and if you have any other suggestions or questions about svchost.exe excessive CPU use, please let us know in the comments area below.


  1. Is svchost.exe using a lot of CPU?

    svchost.exe is to blame for the excessive CPU use but low disk usage, as you can see in Task Manager.

  2. What does.exe stand for?

    It’s a shortened version of an executable file that aids Windows in running and installing applications.

  3. Is the svchost.exe executable a virus?

    Svchost.exe isn’t a virus until it multiplies or causes damage to your machine.

Svchost.exe is a process that runs as part of the Windows operating system and it handles services such as network, print, and USB. The svchost. high cpu is a problem that has been present for a while.

Frequently Asked Questions

How do I fix high Svchost Exe usage?

If you are experiencing high Svchost Exe usage, please try the following steps.

How do I fix high CPU usage by service host local system?

The service host local system process is a Windows service that is used by the operating system to run services on your computer. If you are experiencing high CPU usage, try disabling this service in Task Manager.

How do I stop svchost services?

The best way to stop svchost services is to uninstall the program.

Related Tags

  • svchost.exe high memory usage windows 10
  • svchost.exe high cpu usage windows 10
  • svchost.exe high cpu usage windows 7
  • svchost. high disk usage
  • svchost. high memory