Service Host Network Service High Cpu. The problem could be caused by a window service that is designed to make the PC run faster. Many users reported other problems with this service.
The symptoms of the issue are that the fan is spinning loudly, and the CPU is running hot. I have used both PPTP and the new SSTP, both with same results. Otherwise, that might affect the whole processing speed of the computer.
Diagnostic Policy Service is there in Windows OS to detect, troubleshoot and resolve issues with Windows Components.
My computer will not stop running (fan sound).
Using a process of elimination, isolate several services until you find the one causing the high CPU use. Many users reported other problems with this service. Question High Memory Usage, Non-Paged Pool.