In simple lanuage. Your computer tried to do something that is could not do. A driver may be corrupted or your memory may be bad. What will happen if you do not fix it, is that you will keep getting the BSOD. You may be playing a game and at the best part BSOD. We do not know if it will cause damage, if the BSOD is because of overheating yes it will cause damage. We cannot give you an definite answerr unless you give us the reports.