You may need to determine which message is displaying. Which one is it? finds many prior discussions for you to decide what is similar to your issue.

Please report if you are not seeing the forum tip which reads -> Tip: If you are asking for help to troubleshoot a computer-related problem, please be sure to include all the necessary information (ie: operating system, model number, hardware, software, etc) that will help others identify your problem for a speedy resolution.