Yahoo and MSN

[RVB_Pix]

I just had a look at the logs for my site and found some strange entires for the bots MSN and Yahoo.
This is what I get amongst others
surf/paintball/en/locations/randonnees/espagne/surf/espagne/locations/formulaire/vtt/tarifs/locations/eaux-vi
Obviously this creates a 404 error, so why are they spidering like that?

[JAB Creations]

I've never seen anything like that (or that long) but I have had Yahoo make some retard requests (files in the root instead of the next level directory).

I'd suggest taking a look at your links/setup and other aspects of your file/name structure.