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Service Host: SysMain High Memory - How To Manage It
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Published onJuly 4, 2024
published onJuly 4, 2024
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Resolve multiple Windows PC issues and speed up your PC effortlessly with specialized software.
Is the Service Host: SysMain high memory issue slowing down your Windows PC?
YourPC runs hundreds of servicesin the background to keep the whole system up and running. One of them is the SysMain or Superfetch process. If you’ve noticed that it consumes an unusually high amount of memory, read on as I show you how to lower it.
What Is the Service Host: SysMain Process?
Service Host: SysMain or Service Host: Superfetch is a signed and certified Windows OS tool. With the release of the Windows 10 version 1809 update, Microsoft hasreplaced Superfetch with SysMain. That’s because many users started disabling the Superfetch service manually. So, by changing its name to SysMain, Microsoft hoped that users wouldn’t know that Superfetch still exists.
This process learns from your regular interaction with the PC. After accumulating enough data, it predicts which apps you might be using. Then, it pre-loads those apps, so executing the app icon on the Desktop opens quickly without loading much data.
However, many Windows 10 and 11 users have reported that the serviceutilizes extensive RAM, CPU, SSD, and other resources,ultimately slowing down the whole PC.
How To Fix Service Host: SysMain High Memory
Try these troubleshooting methods in the order they appear. I’ve organized them so you can start with the easiest ones and keep advancing to more complex methods.
Stop the Service Host: SysMain Temporarily
If the issue appears only sporadically, you can simply end the process to prevent overuse of PC memory and CPU.
Here’s how:
Disable the Service Host: SysMain Process
You can permanently disable this process by following any of these methods:
If you’re unable to try the previous method, check out this alternative below:
Increase Virtual Memory or Page File
If you don’t want to disable SysMain completely, you can take the following steps to increase the virtual memory by allocating a portion of yourHDD,SSD, orM.2 NVMe SSD.
Scan for Malware and Viruses
Sometimes, a malicious program might keep SysMain busy and force it to eat up your PC’s memory. Use theWindows Securitytool to detect and remove such programs with these steps:
Update Windows OS
Identify and Remove Conflicting Programs
If the SysMain service doesn’t occupy much memory after performing the above steps, the issue is linked to recently installed software.
Here’s how tolocate the latest apps on your PCfor uninstallation purposes:
So, these are the tried and tested methods to deal with the Service Host: SysMain high memory problem.
If the article helped you speed up your PC or you wish to share critical feedback, feel free to comment below! Moreover, if you’re experiencing something similar withBdservicehostor you want toreduce the service’s disk usage, we’ve got you covered.
More about the topics:How to,windows 10,Windows 11
Vlad Turiceanu
Windows Editor
Passionate about technology,Windows, and everything that has a power button, he spent most of his time developing new skills and learning more about the tech world.
Coming from a solid background in PC building and software development, with a complete expertise in touch-based devices, he is constantly keeping an eye out for the latest and greatest!
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Vlad Turiceanu
Windows Editor
Coming from a solid background in PC building and software development, he’s a Windows 11 Privacy & Security expert.