Updating Windows also helps fix high disk usage issues. Exit registry editor and head to Task Manager to check if the high disk usage issue is resolved or not. Change the Value data from 2 to 4 and click Ok to save changes.ħ. Look for the Start key in the right pane.Ħ. Here navigate to: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SysMainĤ. To resolve service Host SysMain high CPU usage, we suggest modifying registry entry. Solution 3 – Modify SysMain via Registry Editor You should no longer see 100% CPU usage caused due to Service Host SysMain. Exit Command Prompt and open Task Manager to check disk usage After it is successfully processed, you will get Change Service Config Success, message.ĥ.
Here type the following command: sc stop “SysMain” & sc config “SysMain” start=disabledĤ. Select the search result > right-click > Run as administratorģ. In the Windows search bar, type Command PromptĢ. Solution 2 – Disable SysMain via Command Promptġ. However, if the issue persists, move to the next solution. Look for SysMain service it should no longer be consuming resources. Press Ctrl+Shift+Del and open Task Manager.ħ. Here click, the downward arrow next to Startup and select Disabled > Stop > Apply > OkĦ. In the Run window type services.msc and press Enterĥ. To disable SysMain Service from running, follow the steps below:Ģ. If you face problems due to this file like slow performance or system heat up, follow these fixes. Service Host SysMain is a bundle of system processes that includes different processes. To learn that, follow step by step guide explained below: How to Fix SysMain High CPU Usage on Windows 10?
Hence, we need to disable this file and fix high disk usage. But sometimes, this file consumes too much CPU resources that slow down system performance and heats the PC. SysMain is a service that analyzes your computer usage patterns and optimizes startup programs. Once you use the product, do share your experience in the comments section. Also, the performance will be improved a good amount of storage space will be recovered. You’ll now experience improved boot time. Once done, you will see several errors under each section.
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