Fix 100% CPU/Disk Usage: Superfetch/SysMain | Windows 11 Guide
11Fix 110% CPU/Disk Usage: SuperFetch/SysMain | Windows 11 Guide.
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.
Service Host SysMain causing High CPU and Memory usage
The SysMain service is the one that is related to SuperFetch. Its job is to maintain and improve system performance over time. It is found in the System32 folder. Basically, the SysMain process is responsible for collecting data of every kind of usage on the system. Then that data is reorganized in the forms of blocks for your hard drive and prioritized accordingly.
Issues addressed in this tutorial:
SysMain high disk usage,
SysMain service turned off,
SysMain high cpu usage,
SysMain windows 11,
SysMain disable,
SysMain SuperFetch,
SysMain access denied,
SysMain and SuperFetch,
SysMain always using disk,
SysMain could not be stopped,
SysMain causing 110 disk usage,
SysMain disk usage,
SysMain disk,
SysMain high memory usage,
SysMain high cpu,
SysMain high disk,
SysMain high ram usage,
SysMain high memory,
SysMain hard drive usage
This tutorial will apply for computers, laptops, desktops, and tablets running the Windows 11 operating system (Home, Professional, Enterprise, Education) from all supported hardware manufactures, like Dell, HP, Acer, Asus, Toshiba, Lenovo, Huawei and Samsung.