It is possible in when using a version of Texmaker based on QT5 that you get this error even with you Tex framework available on the path.Make sure that the document you are trying to compile has a .tex prefix, it will not work otherwise.
It is possible in when using a version of Texmaker based on QT5 that you get this error even with you Tex framework available on the path.Make sure that the document you are trying to compile has a .tex prefix, it will not work otherwise.