Path isn't going all the way around, intersecting at odd places

[Blighty]

You seem to have both a selection and a path. From the images I can't tell what went wrong. More info will be required.

What are you trying to achieve?
Which did you create first, the path or the selection? Was one created from the other?
How did you create the selection/path?
What steps did you do? Detailed, in order that you did them.