Ok,
RiggsFolly went through a lot of trouble and eventually solved the problem for me.
I'm really no expert on this and I can't recall/understand every of the steps he took today...
Basically he did a clean install on my pc and set up everything like he explained in his HOWTO mentioned earlier.
SETTING A PASSWORD:
In case you're having trouble setting a password for the root user. I.e.
Forum:
WampServer English