We may get this error “HTTP 500 – Internal server error” with many reason , in that First stage is to find the exact cause . First thing while troubleshooting this error is to see Windows Event Logs on the server to find what went wrong .Make sure that internally web server maintains some kind of internal error logs that gives more detail of what went wrong and thus help in diagnosing the issue. Generally, it is logged into Windows Event Logs on the server.Let us see the ways fix http error 500 internal server error.
next step is to troubleshoot the error . For doing this we have to turn off the friendly error message in internet Explorer .
please go the link to see that how to turn off the friendly error message in internet Explorer?