Strange Indent/ruler problem

[Filipdc]

Hello,

After finishing a quite long document. I had some trouble with my ruler.
The indent position and ruler position is way of for some strange reason.
One paragraph above everything is normal but at some positions it just act strange. I've included a picture to illustrate the problem.
There are no section ends used where the problem occurs so that can't be the problem....

Just have no idea were to start ...

Any help would be much appreciated