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Mel K
LInux Guru and Technical Writer

Fix 100% Disk Usage on Windows 10 Task Manager

Sometimes, Windows System Process or different applications such as chrome, skype or Microsoft Office can force your Windows 10 to utilize most of the hard drive. This issue is known as 100% disk usage problem. If you are a regular computer user, you may see some glitches on the cursor or slow loading explorer effect if your Windows 10 is using the 100% of the available hard disk. Navigate the “Task manager” and you can be sure watching the disk usages right under the process tab. There are several ways to fix 100% Disk usage on Windows 10 because there are various reason behind the issue.

What causes the Disk Usages problem?

It depends on the computer because sometimes some system process can trigger 100% disk usage issue. And sometimes it can happen for Google or Skype’s rough usage. So, the first thing you need to do is, determining the culprits. To do that, open task manager and find out which process is using most of the disk. Then follow the steps below to fix 100% disk usages on your Windows 10 Computer.

How to get rid of 100% Disk Usages problem:
  • If the System is causing the problem: In order to fix 100% disk usage on Windows 10, follow the methods below:
  • Method 1: 
    • Disable Windows Search:
      • Step 1: Press “Windows+X” and click “Command Prompt (Admin)” from the opened tab.
      • Step 2: Type exe stop “Windows search” and hit Enter. Windows will stop the search process.

        • Step 3: Now, press “Windows+R” and type “services.msc” on the appeared text bar and click “OK”.
        • Step 4: A Services tab will appear. Find Windows Search and right click and open “Properties.”

        • Step 5: Change the Startup Type to “Disable” from the scroll menu and click “Apply” and “OK”.
    • Method 2: 
      • Disable SuperFetch services:
        • Step 1: Open Command Prompt with Admin (See above: Step 1)
        • Step 2: Type exe stop superfetch and hit Enter. Then wait a minute and check the computer start getting better.
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    • If disabling Windows Search and SuperFetch didn’t solve the problem, then disable your Antivirus and uninstall any recent Flash Player update.


  • If “Google Chrome” is causing the problem: If Google Chrome causing the Disk Usage on Windows 10, follow the steps below:
    • Step 1: Open Google Chrome and got to settings. Click “Advanced” and find “Use a prediction service to load pages more quickly.”
    • Step 2: If you see, the option is enabled, disable it and restart Chrome.
    • This will solve the 100% disk usage problem caused by Google Chrome on your Windows 10 computer.

  • If “Skype” is causing the problem:
    • Step 1: Open File Explorer and go to this location: “C:\Program Files (x86)\Skype\Phone\”

    • Step 2: Right-click on “Skype.exe” and click “Properties” and then open the “Security” tab.

    • Step 3: Click “Edit” option and select the “ALL APPLICATION PACKAGES” and then tick in the “Write” box.

    • Step 4: Click “Apply” and “OK” and then “Ok” again.

Now, Skype will no longer use the process to the hard disk to use inappropriately.

Final TIP: You don’t need to apply all the methods to fix 100% disk usage on Windows 10. But you can follow them if you can’t determine what caused the 100% disk usage on your Windows 10 computer. The above methods work with other Windows version as well, but the user interface may look different than the provided screenshots.

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