Welcome to Justanswer.com, my name is ***** ***** I prefer my files shaken, not stirred~)
So I can help you resolve this issue, , I need to know what type of computer you're using when you get the error message. And also, if you could tell me word for word the exact error message you get.
Please check what type of computer you have as mentioned below.Windows XP, Widows Vista, Windows 7, Windows 8, Or a Mac.If it's a Mac, please check the OSX version as follows.Click the apple sign at the top left of your screen, then click about this mac. And then where it says version, send that to me as a reply.