Alternatively, if you have the latest openBVE by odakyufan, you can now access your userdata in your openBVE folder, shortening your directory by a whole lot (shown by red box).
It's going to be hard/strange reading the log straight from Notepad. I mean, it's possible to read the errors on there, but I suggest copying everything on there and pasting it in Microsoft Word to see the errors better.