if I write ruby programme, but it doesn't run. when the click in the run button, a error box displaying. what the for that?

Question

I writen programmes in notepad++.

Answer 1

Nadeesha, first if path variable is correctly used and installation in bin folder is accurate then it should work correctly can you please describe what error is thrown at the time of execution for an answer😊

this link may helpful if installation has any issues.
http://www.rubytips.org/2011/12/22/using-notepad-for-writing-ruby-programs-in-windows/