Was flying the A2A Cub around Darrington airport (ORBX). Shooting takeofsf and landings and enjoying the scenery. I land, taxi to a parking area, and suddenly the message "Warning, High CPU Usage By Microsoft Flight Simulator." Then I get a error, and FSX restarts.
I was experiencing no problems, whatsoever, when this happened. Smooth, no lag, or skipping, no graphics problems...running beautifully. And then that.
I ran a cpu heat measuring tool I had downloaded, and there was no overheating, either.
I do run my sim with the settings pretty high, but it runs great. I have a quad core I7-870 processors. 2.9 GB , I believe. A 1GB ATI 5770 video card and 8 GB of memory.
Anything here I should worry about? My systems pretty new. Never had these warning on my old PC.

I have never heard of a message like that before. As long as the temps are ok it should just carry on even if it's at max load which would be very surprising with your cpu - you would just experience stutter.

Even my old Intel quad never maxes out with FSX. I could understand a low memory message but not high cpu.

What ninelives said, never heard of such a thing :/

Okay, then. It sounds like something I may just have to keep my eye on. As long as I didn't hear, "Holy crap! Shut down your computer, and take cover, it's gonna blow!" I won't be too concerned.

Wierd. I've never seen a message like that, it didn't come from the operating system I think - maybe some kind of malware?