@bdfd
From what I see You've right but...
I don't know what to say.
Only think that cross my mind is the 1-st suggestion I've propose.
In this way You could test everything on a clean medium.
At least for me is the best way I use when I test new furniture, texture or plug-ins.
It's possible to interfere with other plug-in but I have almost the same as You installed (except Meta text) and I don't see any problem.
Sorry man, I reach my skill's limits.