Ok, so let me get this straight, not only does your memory not pass the test...it fails it so bad that it crashes!
If I were you I would not trust the integrity of your data with that memory. Turning off a warning mechanism is not the cure to the problem, that was just a symptom of something being wrong with your memory.
Or you could just have a screwed System Tome and need to reinstall so the memory check funstions properly. Either way I don't think turning it off and forgeting about it was the best idea.