How to Fix Service Host Local System High Disk Usage in Windows 10

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If you encounter a 100% disk error on Windows 10, you should immediately apply one of the following methods to quickly fix the problem.

Recently, a lot of Windows 10 users have complained on the forum that their computer suddenly became slow. Not only that, after testing with the Task Manager tool, they found that the Disk column in the Processes tab was full (100% disk). These days, in addition to the help of computer experts, they are almost “helpless” before the situation.

Therefore, in the event of a 100% disk failure, immediately apply one of the following methods to quickly fix and return the system smooth operation.

Disable Windows Search

Basically, Windows Search makes search faster through the unique “search loop” mechanism. Once the Windows 10 starts looping, the system will continually “markup” the file and manually restart this process (endlessly). This is the primary cause of the drive becoming overloaded.

To fix this, simply disable Windows Search by right-clicking the Start / Run icon and selecting RUN, then entering the services.msc keyword in the resulting dialog.

Once the Services window appears, find and double-click Windows Search. Next, at the Windows Search Properties window (Local Compter), just select Disable in the Startup Type option menu, then click Apply and OK is complete.

Disable service host superfetch

Similar to Windows Search, service host superfetch may also be one of the causes of 100% disk failure. So, to fix it, in the Services window, find and double-click on Superfetch.

Next, at the Superfetch Properties window (local compter), just select Disable in the Startup Type option menu, then click Apply and OK is complete.

Disable unnecessary notifications of Windows 10

If you have done the above two things and still can not improve the situation, try disabling Windows 10 Tips by pressing the Windows + I key combination, then go to System> Notifications and actions.

Here, just slide the notification bar of the notification option you feel is not needed on the OFF position.

Use anti-virus applications

Similarly, some other performance issues, malicious code or viruses can also cause 100% full disk problems on your Windows 10 computer. So, use any antivirus application. Available and conduct a scan to exclude malicious code or viruses from the computer.

If you find anything suspicious, follow the recommendations of these applications to stop them. Then you need to reboot your computer before testing the performance of the drive.