5 Ways To Fix High Disk Usage “Service Host Sysmain” PC 2021

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When your disk usage is too high, you can fix it by using the free and open source app CCleaner . It is a powerful tool that comes in handy when you need to get rid of certain clutter and clutter.

If you’re experiencing unexpected high disk usage, there may be a few things that you can do to fix the problem. Here are 5 things to do if you’re having issues with high disk usage.

5 Solutions for Excessive Disk Usage PC 2021 – “Service Host Sysmain” A process that is consuming a lot of resources is frequently the reason of a computer that suddenly feels slow (CPU, RAM, Disk). Slow performance, latency, and fans spinning fast with a clear sound are all signs.

5 Ways to Reduce Service Host Sysmain PC Disk Usage

How to Fix “Service Host Sysmain” Windows 10 PC Laptop 2021 High Disk Usage

When you open Task Manager, you’ll be able to see which task is causing the problem. A process called Service Host Sysmain is one of the reasons for high disk consumption, CPU, and RAM on Windows 10. (formerly called superfetch).

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Here’s how to deal with Service Host Sysmain’s high disk use.

1. Turn off the Sysmain service.

The first and most effective option is to disable the Sysmain service. This is something we can do with the Service Manager application.

To fix Sysmain, which is consuming a lot of memory and disk space, follow these steps:

Step 1: Launch the service manager application.

On your keyboard, press the Windows key + R, then type services. msc

Step 2: Look for a Sysmain service.

Following that, you’ll see a list of all the services that are currently operating on Windows. Look for a program called Sysmain.


Step 3: Select Properties from the right-click menu on Sysmain.

Step 4: Press the Stop key.

Pay close attention to the status section on the Properties menu, then click the Stop button.


Step 5: Close the Service Manager program after clicking OK.

Step 6: Turn on the computer again.

After restarting the computer, open the task manager and check the disk use, which should no longer be excessive.

2. Making Use of Registry Editor

Modifying the registry entry is the next option.

Take the following steps:

First, open the Registry Editor by pressing Windows key + R then type Regedit > click OK.

Enter the following directory after the Registry Editor software has opened:

SYSTEM HKEY LOCAL MACHINE Services in the CurrentControlSet SysMain

Find the registry entry named Start, then right-click> select Modify.


In the Value data column enter the value 4> then click OK.


Restart your computer after closing the Registry Editor software.

3. Using Command Prompt

The Command Prompt tool can also be used to turn down the Service Host Sysmain.

Take the following steps:

Open the Command Prompt program with administrator access permissions, how to press the Windows / Start button> type cmd > on the menu that appears click Run as administrator.


Copy and paste the following command into the Command Prompt software, then press the enter key:

sc stop “SysMain” & sc config “SysMain” start = disabled

Change Service Config Success will appear, indicating that the process was successful.

Then, after closing the Command Prompt window, reboot your computer.

4. Make a Windows update

It is also necessary to try to resolve this issue by updating Windows 10.

Updates not only bring new features to the table, but they also repair problems and system faults that occurred in previous versions.

Take the following steps:

Click on the Windows button> click on the Settings button (gear icon).

Then select the Update & Security menu.

Click the Check for updates button on the Windows Update menu.

5. Switch to solid-state drives (SSD)

The final option is to replace the mechanical hard disk with a solid-state drive (SSD). It’s no secret that upgrading to an SSD can improve the overall performance of Windows 10.

It will speed up not only the loading of data, but also the opening of programs and the startup process. SSDs also don’t heat up as quickly as hard drives, making the laptop less susceptible to overheating.

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These are some methods on how to fix the high disk utilization “service host sysmain” in Windows 10, which uses a lot of memory and disk space.

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We have all experienced the “Service Host Sysmain” PC 2021 at one point or another and some of us have been there longer than others. This is a very common issue with Windows PCs and the “Service Host Sysmain” PC 2021 can be caused by a variety of factors including: malware, spyware, drive corruption and hardware issues (Motherboard problems).. Read more about service host sysmain windows and let us know what you think.

Frequently Asked Questions

How do I fix high SysMain disk usage?

The SysMain disk usage is high because the system is running out of space. You can free up space by deleting files that are no longer needed, or by moving them to a different location.

How do I fix service host SysMain?

The service host SysMain is the process that manages the services on your computer. If you are experiencing problems with your computer, it is likely that this process has become corrupted and needs to be repaired.

Is it OK to disable SysMain?

Yes, it is safe to disable SysMain.

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