no, I don't think this is the case, but you could do a search for ipfilter and see what comes up.
you use the same client as i do and I can not even get my client to say that at any point.
Maybe an unistall and reinstall to another directory may help, but I doubt it, I would try almost anything if this was happening to me

back up your incoming and temp folders if you have files in them and maybe install emule to a different folder or maybe try different ports. If this is not happening at your end, It has to be external.
firstaid