The title is such but if you read the discussion
You see where we went under the hood to discover what was going on.
Your machine might be doing the same thing where it keeps the CPU at 100% and not get a break.
There's also some AMD CPU driver that I had to install on my dual core AMD just last week.
It's noted at step 6 at http://www.fastfs.com/help_pages/hp%20downgrade.htm
That is not automatic so I had to do that manually.
Sorry if this was unclear. The title of the discussion is one thing. What we did was quite something else so I can only guess you didn't read it.