I think this is what the other message means:
[General slowdown or instability investigation steps)
(It has a "closed loop" link.)
When faced with such things, I usually suspect some nasty conflict with something else. The FAQ is pretty thorough, as you would expect, at fingering some candidates. If it doesn't work, try killing other (non crucial) processes in taskmanager. You may kill one and suddenly find that DOPus does a "roadrunner" on you and sprints into action.
Pick on things you have installed, or updated, in the past couple of months.