Windows 10: 100% Disk Usage, all caused by NTOSKRNL.EXE (System) + More!

Hi, I just suffered by seeing this: My Disk is 100%! and it caused by the System process. Plus: It slowing down my keyboard. A LOT!

:)

 

100% disk usage

The most common cause of 100% disk usage appears to be Superfetch and Prefetch, but there are also other causes. You can try disabling both these features and see if it helps.

This article provides steps to disable prefecth and superfetch:

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How to Fix 100% Disk Usage Error in Windows 10

 

100% disk usage and memory usage

Hi,

100% disk usage and memory usage can be caused by a software corruption, running application running on the background and malware or virus infection.

For us to properly isolate the issue and provide an appropriate resolution, kindly answer the questions below:

• Did the issue happen after installing the Fall Creators?
• Did you receive any error messages?
• Can you send us the screenshot of the Task Manager showing the 100% disk usage and memory usage?
• What troubleshooting steps have you done so far?

For isolation purposes, please perform a clean boot to see if the same issue will occur. Refer to this
article for more information on how to perform a clean boot
in Windows.

Looking forward to your response.

 

Disk usage at 100% cause of WPR system collector.etl

Hi,

To resolve the WPR system collector.etl issue, please follow the steps below:

• Press Windows key+i to open Settings, then select Privacy.
• Under Privacy, select Feedback & diagnostics.
  
• Under Diagnostic and usage data, change Send your device data to Microsoft to
  Enhanced or Basic.
• Close the Settings.

Let us know how it goes.