I am not sure whether this is the right forum to post this, but I give it a try, because the most apparent difference between the correct working version and the odd result is actually WAMP.
I just made a fresh local development copy of my Wordpress install online (http://studioA.eu) and moved it into WAMP (I've done that several times before, usually without any problems at all)
Everything w
Forum:
WampServer English