Sysmain Host Service – How to completely deactivate the Sysmain service?

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If you are facing high CPU usage of Sysmain service host, read on how to completely disable Sysmain service?

If you have a Windows PC, you’ve heard the name “Superfetch / Sysmain” or “Prefetch”. These are mainly the Windows services to speed up the performance of the window. The SysMain is the main service that belongs to Superfetch. Service Host Sysmain is designed to occupy all the RAM space accessible with preloaded applications. SysMain works in the background of the PC and improves system performance.

Fixed high CPU usage by SysMain service host

SysMain knows RAM usage patterns and rates your frequently used applications. Many applicants have claimed that the SysMain procedure is the main reason for extremely high CPU usage. Although SysMain helps you understand how you use your hard drive, it is not needed for your PC. Here you can get the various methods to completely disable the Service Host Sysmain service.

What is Sysmain Service Host?

Sysmain is a new and latest memory manager that checks usage patterns over time to manage memory content. It was first introduced in Windows Vista as a replacement for PreFetch. Using a lightweight monitoring algorithm, the Windows 10 Superfetch procedure creates a cache profile of programs and applications.

SysMain is the service formerly known as Superfutch in Windows Vista by various names. SysMain is a great choice for a summon file, but it does not occur without error because the system will use CPU cycle to use compressed memory, which can slow down the PC or laptop.

If you are running the older model of Windows 10, Windows 7, or 8, sometimes it might show up as Service Host: Superfetch in Task Manager. The provider works in the background and measures how much RAM you are using and which apps are consuming the most space unnecessarily.

How to completely deactivate the SysMain service?

If you are accessing a hard drive on your PC, it is likely that SysMain will cause high CPU due to the normal stat that the hard drive is slow to reorganize. If you are facing high CPU usage due to SysMain, here are the easy methods to turn off the service completely.

Via the service management console:

  • First, launch the service management console by mentioning the command “services.MSC”.
  • From the Start menu, press the Windows key and start typing.
  • You need to open and then run the dialog command by pressing Windows + R keys.
  • Under the service management console, you will get all the services running on your PC.
  • Next, find the SysMain in the list and make sure the description should equal “Manages and improves system performance over time.”
  • Then you need to press the “Service” and choose the “Stop” tab. This will directly deactivate the service but will not stop it completely. If you restart, the SysMain service host will start working again.
  • To turn off completely, choose the “Properties” option and tap it. Under the “General” tab, find the “Startup Type” and select “Manual” from various options.
  • After that, press the “OK” tab to save the changes and close the PC.
  • Open your PC again and go to “Service Management Console” to assess whether the service is running or not.

Using the Command Prompt:

  1. First of all, you need to launch Command Prompt in Advanced Mode. Now press the Windows key and mention the command “cmd”. Choose the option Command Prompt> Operate as administrator.
  2. Now stop the startup when starting the SysMain service by mentioning the command “MSC config” SysMain “begin = disabled”.
  3. Deactivate the operational service by mentioning the command “MSC stop,” SysMain “.
  4. Restart the PC and the CHECK service is disabled or not by typing the command “MSC query“ SysMain ”.

Using the Registry Editor:

Registry Editor is the best way to create long term changes to your system. The process to stop the SysMain service through Registry Editor is as follows:

  • First of all, you need to press Win + R to launch the Run window, mention the command “Regedit” and then press the “Enter” button.
  • It will navigate to the registry editor path: HKEY_LOCAL_MACHINE SYSTEM CurrentControlSet Services SysMain.
  • On the right side, you need to tap on the “Value Start” tab.
  • Finally, change the value data price to 4 and click “OK” button to apply the changes.

Disable the Backup Intelligent Transfer (BIT) service:

  • In Windows Task Manager, you need to press the “Services” button.
  • You find the “Open Services” button and tap it at the bottom of the window.
  • You will get the massive list of all the services in the next window. Find the required service known as Background Intelligent Transfer Service and tap on it, then choose the “Stop” button to turn off the service.

Disable automatic updates:

  • To open the “Run Dialog” dialog box, you need to press “Windows + R” keys and enter the “services.MSC” command.
  • A list of services will appear, now find Windows Update service and tap on it.
  • Next, find the available startup type in the “General” options and choose the “Disabled” tab, then click the “OK” button.

Is it bad or good to have Superfetch or SysMain?

Windows will try to stop accessing this method when there is accessible RAM. However, when some data requires a large amount of space while there is not enough RAM, the PC will squeeze the data and arrive in RAM to save the changes and force the PC or laptop to working properly.

All data is saved in RAM so that it can be used openly without any difficulty. Many candidates find that the memory is sometimes 3.5GB congested, but this is not that difficult when at 100% your hard drive may need a swap file. You have some time before the data is compacted into RAM.

Final conclusion:

SuperFetch is also known as Sysmain. The job of SysMain is to maintain and improve system performance every time. The SysMain procedure is responsible for assembling data on each type of use on the PC or laptop. Here we have provided the various methods to completely disable the Sysmain service.

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