The System Idle Process on a computer can't cause high CPU usage because the process is a measurement of how much of the CPU's resources are free at any given moment. Unlike every other process in the ...

This is an undesirable program. This file has been identified as a program that is undesirable to have running on your computer. This consists of programs that are misleading, harmful, or undesirable.

So what's likely the cause of such behavior? A bad driver? Any way to find out which? Clearly, based on how sluggish my system is the CPU is at 65% even though the process window shows only the idle ...

According to Process Explorer, System Idle Process is at least attempting to make TCP connections. That seems terribly wrong to me. However, my Google Fu seems to be failing badly. Edit: aged XP ...

An option in the Windows XP Task Manager that indicates what percentage of time the CPU is currently doing nothing but waiting for work. If no applications are running that the user is aware of ...