What should I do if the SysMain service cannot be opened after being disabled?

php editor Banana will give you the answer: When you disable the SysMain service and it cannot be opened, you can try the following solutions. First, press the Win R key combination to open the Run dialog box, enter services.msc and click OK. Find the SysMain service in the services window, right-click and select Properties. In the Properties window, change the startup type to Automatic and click the Apply and OK buttons to save the changes. Then, right-click the SysMain service and select Start. It should start normally. If the problem persists, you can try restarting your computer to apply the changes. If the problem still cannot be solved, it is recommended to contact professional technicians for further troubleshooting.

Can the SysMain service be disabled?

The sysmain service of Win10 can be disabled. The superfetch service takes up a lot of memory and has almost no optimization speed for solid-state drives.

What are the consequences after disabling SysMain?

Disabling Sysmain may slow down your application.

The Superfetch memory management mechanism utilizes available memory space to pre-load user-available application pages. Minimizes system calls on pages on the hard disk so applications can open the fastest. But in reality, the superfetch service takes up a lot of memory and has little solid-state drive optimization speed, so the SysMain service can be disabled.

SysMain service is only available in version 1809 or higher. It turns out that this service was previously called the superfetch service. The superfetch service is the "super dictionary reading" that evolved from the Prefetch of the XP system.

In the WindowsXP operating system, Microsoft further improved virtual memory technology and developed prefetch technology. The basic idea of ​​prefetching technology is to preload part of the data required to run the program on the hard disk into physical memory before loading the program, thereby speeding up program startup.

The specific method of using prefetch technology in WindowsXP is to monitor the data exchange status of memory pages and swap files as well as other files on the hard disk when the system and applications are started. When data exchange occurs, WindowsXP records the hard disk files that should be read frequently when each program is running, and writes the read content to \windows\prrp.

SysMain service disabling method

1. Press WIN R, then enter services.msc and press Enter.

2. Find the sysmain service and double-click it to set it.

#3. Set the sysmain service startup type to disabled, and then click Apply to save.

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