Troubleshooting tips from long time Emacs users.
Locate library file
- M-x locate-library
- Use this to debug load-path issues. Try M-x locate-library RET org RET now.
Debug conflicting installations
- M-x list-load-path-shadows
- You are setup is hoaxed because you don't know what you are doing?
Looking at Emacs Lisp files
- M-x find-library
- Try M-x find-library RET mediawiki RET to see whether you have installed Mediawiki.el.