Hello Dukat
Have you experienced any errors since replacing the faulty memory? The errors you are experiencing typically have nothing to do with a faulty processor. A CPU IERR is an error detected by the CPU not an error with the CPU. A CPU machine check is usually caused by a driver or memory, and a CPU IERR is also typically a memory or driver issue.
If you found faulty memory then that is the likely culprit of all of your problems.
Thanks