Service Host Windows Update Error Fix 2021 Updated

Is your computer gets very slow at times or struggles a lot to keep up? SVCHost.exe is your culprit here. You might have seen it in the task manager list taking too much CPU memory. It is one of the processes that run continuously on your computer that you might not be aware of. It keeps on running in the background when your computer is on. It causes the Service Host local service high CPU usage, thus making your system go slow. If you are facing a similar issue, open the task manager on your computer and check if it is showing very high for the Service Host Windows Update.

 If so, you are reading the right article as we will help you fix all your Service Host local system high CPU usage-related errors and make your computer perform fast and better. But before we deep dive into that, let us try to understand what is SVCHost.exe and what are the errors related to the Service Host Windows Update. Then we will provide the fixes for the various SVCHost.exe application errors. Here we go.

What Is a Service Host (Svchost.exe)?

service host local system high cpu

Computers have several such programs & applications, which can work by themselves and are known as stand-alone executables. Although, various services are Dynamic Link Libraries (DLLs) that fall short of the complete information required to operate. In other terms, a Service Host is a process, hosting from one system to various Windows services in the OS. It allows Windows to reprocess the functions and initiate discrete files of Dynamic Link Libraries, as these cannot run willingly.

The Service Host Local System is required by the Dynamic Link Libraries in order to run on the PC or Computer. Hence, it is the vital cause behind the multiple Service Host tasks functioning when the users go to the Task Manager. Service Host supports providing specific services on the PC especially created to be functioning behind the scenes and does not cause various issues. But, in several situations, Service Host applications start gobbling more power to process than before. Also, these apps may become corrupt. Note that, this process is run by Service Host, but the Service Host is not a source of the error.

How to Resolve the Service Host (svchost.exe) Processing Error?

Service host local system may cause many processing or application errors that can make it difficult for your computer to keep up. Below we have consolidated some of the common errors and fixes to get rid of those errors.

Fix 1: Utilize (Restoro) the Latest System Repair Tool

It is one of the sturdy programs, which automatically detects and repairs the errors on the computer. These errors might be a reason behind the bugs in the Service Host. Let us get ahead and know how to install it on the system.

Step 1: Download & Install the Restoro.

Step 2: Go through the Terms & Conditions and accept to get going.

Step 3: Go to the Details tab and check the details thoroughly.

Step 4: Before you start operating it, open up the Recommendation tab to select ‘Ignore’ or ‘Clean’.

Step 5: To start the process of repairing, hit a click on the ‘Clean Now’ option displaying at the page’s bottom.

If, anyhow, you still find an issue, then carry on with the next move.

Fix 2: Get the Antivirus Updated and Scan Your PC

A virus in your PC may become one of the major causes of excessive power consumption for a process. Hence, updating the antivirus in your PC ensures a virus does not cause any problem to the Service Host process. At times it becomes a little hard to enter the proper instructions to perform because each antivirus is distinct. Let us know how to update it step-wise and get rid of the issue related to Service Host storage service:

Step 1: Go to the Start Menu and type Windows Defender to open.

Step 2: Click on it to check if it requires ‘Updates’.

Step 3: Now, hit a click to conduct a scan for the entire PC.

Step 4: Make sure that no virus interrupts the svchost.exe (Service Host) process.

Step 5: After completing the scanning process, restart your PC.

If you are utilizing the 3rd party Antivirus software, go to their official website and follow the instructions to get the antivirus updated. It is crucial to disable the Windows Defender throughout the entire process of updating antivirus.

Fix 3: Free Up the Event Viewer Log

If your event viewer contains a massive event log file, you might face some problems related to the Service Host processing. The below-given steps will help you clear the log:

Step 1: You need to press both the keys (R) and (Windows) Concurrently. Now open the Run box and enter ‘eventvwr.msc’.

Step 2: Go to the Menu that appears on the left side of the Windows to open the Windows Logs by clicking on it. In the Drop-Down Menu, select the ‘Application’ option.

Step 3: Now, move to choose ‘Save Events As’ given on the right side of the display.

Step 4: On the same side, choose the ‘Clear Log’ option after you save the log.

Step 5: Once you are done clicking on the ‘Security’, Setup’, and then on ‘System’ and redo steps 3 & 4. Now make sure that you have given a separate title to each log saved.

Step 6: You have to restart the PC after you are done with the ‘Clearing the Logs’ Process.

Fix 4: Repair the Windows Image by Running a System File Check

Sometimes, there might be an issue owing to a corrupt file. Here, an app called the System File Check is quite useful as it can repair any corrupted file on the PC. The following steps will assist you to know how to operate the System File Check application using PowerShell:

Step 1: You have to press the two keys simultaneously (X) and (Windows) and select the ‘Windows PowerShell’ appearing in the Menu. Now provide access to this application in order to make changes by clicking on the ‘Yes’ button.

Step 2: Now, Fill up ‘SFC or scannow’ into the PowerShell Window and Enter. It may take a while. Hence you have to hang on until the entire process is complete.

Step 3: Once it is complete, you can copy-paste the command or type ‘Repair-RestoreHealth into the prompt and hit the Enter key. The repair may take a few minutes to get complete.

Step 4: Once scanning gets done, it is a must to restart the PC.

If, anyhow, you still notice that the Service Host affects the performance of the PC, then you can prefer to choose the next strategy.

Fix 5: Keep the Windows 10 Updated and Run Update Troubleshooter if Required

Usually, the Service Host itemizes the program’s name, but at times, you may find an issue with the process of Service Host Windows Update.

To find out if Windows update induces Service Host to consume plethoric CPU power, you can go for updating Windows by hand and keep the PC running for a couple of hours. This process will let you find if the problem gets resolved.

If you find out that Service Host still swallows up the processing power, you can utilize a troubleshooter already built-in to Windows 10 by following the simple steps given below:

Step 1: Firstly, go to the Search Bar and type ‘Windows Update’ to open the Windows Update application.

Step 2: Now click on the ‘Check for Updates’ option for installing the missing updates.

Step 3: Once the update is complete, get back to Windows Update and hit a click on the ‘Troubleshoot’ option given in the left Menu.

Step 4: After clicking ‘Windows Update’, you must click the ‘Run the Troubleshooter’ option for the repair.

Still, you observe the Windows Update is causing issues to the Service Host process and consumes enormous power for processing the Window Update might not get done. You can opt for choosing another method.

Also Read : windows bt

Fix 6: Disable Windows Services Causing Service Host Local System High CPU Usage

There are some programs or services that cause the Server Host local system high disk usage. It is necessary that you find the programs or services causing this and then disable those services. Below are steps to follow for Windows 8 or Windows 10:

Step1: Open the Task Manager by Ctrl + Alt + Delete.

Step2: Navigate to the Details tab.

Step3: Right-click on the Service Host local system and click on Go to service option.

Step4: The service or application using the SVCHost process will get highlighted. Right-click on the highlighted service and select the Restart option.

In case, Service host local system is still using a high CPU, then right-click on it and select the option Stop.

The service can also be disabled also by selecting the service used by SVCHost.exe, right-clicking on it and selecting the option “Open services”. Double click the Windows service from the list and click on the Disabled option present under Startup type. Click the Apply button and OK button to apply the changes.

That is all, and your Service Host local service high CPU usage issue will be gone.

Frequently Asked Questions ( FAQ's)

Q1: Is SVCHost.exe harmful for my PC?

A: SVCHost.exe is the service host file used by multiple Windows applications. It is not harmful, though many people mistake it as a virus. It is because some malware people attach the malicious files to it so that file detection gets missed. In reality, it is a necessary file for Windows that hosts Windows services.

Q2: Why is my service host’s local system taking up too much disk space on my computer?

A: The Server Host local system high disk usage occurs due to some of the Windows applications, e.g., Prefetch. Such applications take high disk space in disk write and read if the user is using a hard disk drive. It can get fixed by upgrading the disk to a solid-state drive, which has high disk write and read. 

Q3: What can be done to resolve the high CPU usage by my service host?

A: The issue of Service Host local service high CPU usage can get fixed in a number of ways. Some of them are listed below:

  • Restart Windows update
  • Perform clean boot
  • Delete applications causing problems
  • End the unwanted HP processes
  • Run troubleshooter for Windows update
  • Update the scheduling of the processor

Q4: What can be the possible errors related to the service host local system?

A: Below are the commonly occurring Service Host local system errors:

  • Service Host local system startup
  • Service Host local system causing a memory leak
  • Service Host local system high resources take-up

Q5: Is it safe to disable the Service Host storage service?

A: Yes, it is completely safe to disable the Service Host storage service. It can help prevent the Service Host local system CPU from taking up more memory. You can do so by navigating to the Settings, then click on System, and Storage. Now, using the toggle switch, disable the storage sense.

Also Read : windows 10 0xc000021a


In this article, we discussed different fixes available for Server Host Windows update. All the fixes provided are tested and will not cause any harm to your system. Instead, these fixes will free up the memory and CPU on your computer. We hope that you liked the article, and these fixes will help you solve the Service Host Windows Update-related errors and make your computer run faster. Follow us for more useful articles.



My name is Sean and I started this project in 2020. It has been growing ever since. I am a serial tech entrepreneur and a tech geek. My experience in blogging and technology helps me understand what type of content people are looking for and I intend to provide the information in the best possible way.

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