Error 500 is an error caused by a website's server encountering a problem without being able to specify what the problem is. Typically, an error 500 is caused by problems with the Web page or the website's server and cannot be fixed by the user.
Error 500 indicates that the designated Web page cannot be displayed. This problem is typically temporary and can sometimes be fixed by simply refreshing the page. An error 500 message can be displayed in a variety of ways, as it can be customized by the website's administrator. Other server-side errors that display similar message include the 502, 503 and 504 errors.