Connected User Experiences and Telemetry.The 100% disk utilization (in Task Manager) on Windows 10/8.1/8, may be caused from on of the following services:
Perform a Windows 10 Repair with an in-place upgrade. Disable the MSI mode in StorAHCI Controller. Increase the virtual memory (Paging file). Disable Chrome Flash Player plugin (if the issue is faced when you run Chrome).Uninstall or temporarily disable your Antivirus program.Uninstall Microsoft One Drive (if installed) from your system.Make sure that you system is virus free.– Before you continue to apply the solutions below, in order to resolve the 100% disk usage problem in Windows 10 task manager, try the following: How to fix the High Disk Usage issue on Windows 10/8.1/8. In this troubleshooting guide you 'll find the most common methods to resolve the 100% Disk usage issue on Windows 10 and Windows 8, 8.1. The almost 100% disk utilization decreases the system's performance dramatically, because it makes the operating system to run and respond very slowly, or to freeze, even when no additional applications are running or user actions performed on the machine. (desktop or laptop), with any kind of hard disk (HDD or SSD), even after a fresh installation of the operating system. The high disk utilization issue, on Windows 10, is a very annoying, because it can affect even a new computer The Disk Usage 100% issue, in Task Manager, is commonly caused on Windows 10 or Windows 8 based computers for several reasons.