What is the sysmain service?

After Win10 is upgraded to a version after Win10 1809, there is an additional SysMain service in the service. I believe many friends do not know what the SysMain service is and whether it can be disabled. The editor below will share with you the relevant knowledge about the SysMain service.

What is the SysMain service?

The SysMain service is only available in versions after 1809. It turned out that this service was previously called superfetch service. The superfetch service is "super prefetch". This service evolved from Prefetch in the XP system. of. The principle is also very simple: the Superfetch memory management mechanism will use the available memory space to preload the application pages that the user may use; to avoid the system from page calls from the hard disk as much as possible, so that the application can be opened as quickly as possible.

But in fact, the superfetch service takes up a lot of memory and has almost no optimization speed for solid-state drives, so we can disable the SysMain service.

SysMain service disabling method:

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

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

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

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