Let's be fair here, this only happens once every 0.999999999999999999999999999998 times out of a million or so.
The voltage thing or the bad soldering? The bad solder was responsible for over 50% of all reported application crashes in a few games. That's just want we know about so far.
The microcode update isn't going to fix a hardware level defect like that.
I was more being sarcastic using the pentium floating point bug.