What will happen if I disable SysMain?
The most common problem people report is the 100% disk utilization issue. If this is you, then disabling Superfetch or Sysmain may resolve the problem. Since Superfetch is only a system optimization feature, you won’t hurt Windows by stopping the service.
Is it safe to disable Superfetch?
To reiterate, we don’t recommend disabling Superfetch except as a troubleshooting measure for the potential issues mentioned above. Most users should keep Superfetch enabled because it does help with overall performance. If you aren’t sure, try turning it off. If you don’t notice any improvements, turn it back on.
What happens if I disable service host Superfetch?
At times, Superfetch can eat up a lot of CPU resources and RAM, which may drive your disk usage up to 100%, raise CPU temperatures, and decrease your computer’s speed. If these problems persist even with Superfetch turned off, go ahead and turn it back on — your performance issues aren’t being caused by Superfetch.
How do I permanently disable SysMain?
Press the Windows Key + R and type in services. msc. Disable – Locate and doubleclick on SysMain. Click on Stop and change the Startup type to Disabled.
What does SysMain Service do?
Basically, SysMain is the same thing as Superfetch, but with a different name. What this service does it analyzes your computer usage patterns and optimizes app launching and programs on your computer.
What is service host SysMain in Task Manager?
Service Host SysMain is formerly known as Superfetch. This utility is a native Windows 10 service that works to help optimize system performance. Service Host: Local System is a bundle of system processes, including Windows auto-updates and other Windows system applications that run in the background.
Is SysMain needed for SSD?
SysMain (Superfetch), Prefetch & SSD in Windows 11/10
Every time you run an application in your PC, a Prefetch file that contains information about the files loaded by the application is created by the Windows operating system. … On Solid State Drives, they result in unnecessary write operations.
Is service host SysMain necessary?
A lot of users have reported that the SysMain process (earlier known as Superfetch) causes high CPU usage. While the SysMain service is helpful in understanding how you use your hard drive, it isn’t exactly necessary for your computer.
Does SuperFetch affect gaming?
SuperFetch may get a little overzealous with its preloading too. … A number of Windows users have also noted SuperFetch causing spikes of hard drive and CPU usage, especially during gaming sessions. This appears to be mostly limited to those running systems with less than 4GB of RAM.
Why is SuperFetch using so much memory?
Superfetch is like drive caching. It copies all your commonly used files to RAM. This allows programs to boot faster. However, if your system doesn’t have the latest hardware, Service Host Superfetch can easily cause high disk usage.
What is SuperFetch service host?
Service Host Superfetch is a built-in Windows service designed to pre-load frequently used applications and files into your memory and thereby speed up your system. … Superfetch became a built-in service of Windows 7 and Windows 10 as well. (Skip directly to our section on how to disable Superfetch.)