There are quite a lot of readers complaining about "sticking" 100% Disk error when installing Windows 8 or after upgrading to Windows 8.1. This situation often occurs when the user starts the computer, and when it is, the machine will operate very slowly and easily cause the machine to heat up.

Instructions to fix 100% Disk error annoying on Windows 8 / 8.1
 

This article will guide you to read the simplest way to solve this problem thoroughly.

First, open Control Panel on Windows 8 / 8.1 and click Troubleshooting

Instructions to fix 100% Disk error annoying on Windows 8 / 8.1
 

Under Troubleshooting, choose System and Security

Instructions to fix 100% Disk error annoying on Windows 8 / 8.1
 

Choose System Maintenance

Instructions to fix 100% Disk error annoying on Windows 8 / 8.1
 

The System Maintenance dialog box appears. Click Next to proceed to the next step

 
Instructions to fix 100% Disk error annoying on Windows 8 / 8.1
 

The system will proceed to scan the problem for a few seconds

Instructions to fix 100% Disk error annoying on Windows 8 / 8.1
 

Then select the line Try troubleshooter as administrator

Instructions to fix 100% Disk error annoying on Windows 8 / 8.1
 

Windows will proceed to reboot the system again to check the problem. After you're done, click Close to finish

Instructions to fix 100% Disk error annoying on Windows 8 / 8.1
 

Ok, now restart Windows to check the results

Instructions to fix 100% Disk error annoying on Windows 8 / 8.1
 

Good luck.