How to Fix 100% CPU Usage Windows 10 | Fix System interrupts 100 CPU | High CPU laptop | Boost FPS Learn how to fix high CPU usage and boost fps and low GPU usage in windows 10. 100% CPU usage is a common issue in Windows 10. CPU at 100 or CPU running at 100 can be fixed. Also Fix service host windows event log high CPU. If system interrupts 100 CPU Fix by Changing the power settings to balanced or High Performance. Play games without any lag with high performance by boosting FPS. #virtualassist