How To Fix ‘High CPU Usage By Service Host Local System’ Issue – Guide
Many Windows users have suffered from an issue where up 95% of your CPU and/or disk was being used by a process known as System Host: Local System (Network Restricted). This problem first appeared in the days of Windows 8 and is left to haunt the brave Windows 10 users and up at 72 MB/s of the computer’s overall performance to read and write data from the hard disk. These statistics are significant, to say the least. However, System Host: Local System (Network Restricted) is quite ambiguous on its own, as it is not just any service, but rather a cover under which many different Windows system services run, each with unusually high CPU usage. high. performance and/or may cause disk usage. Also, to make matters worse, this issue can also be caused by a memory leak in the non-paged pool memory. Fortunately, it turns out that the most common culprit causing this problem is a Windows system service called Super fetch, a service that Microsoft claims is intended to maintain and improve the performance of computers over time, but is actually nothing more than what a problem waiting to happen. Anyway, if super fetch isn’t the cause of the problem, it’s certainly caused by a memory leak in the non-paged pool.
Fix high CPU usage by service host: local system
Be sure to create a restore point in case something goes wrong.
disable supersearch
If the above method does not disable Superfetch services, you can follow by disabling Superfetch using Registry:
Run SFC and DISM
Registry Correction
Run the Windows Update Troubleshooter
Perform a clean boot
Sometimes third party software can conflict with the system and hence it can cause high CPU usage on your PC. To fix high CPU usage by service host:local system, you need to clean boot your PC and diagnose the problem step by step.
Restart the Windows Update service
Change the processor schedule
Disable background smart transfer service
Disable certain services
Final note
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