Hi there, having problems with the latest build 0.4.1 for win xp, I wanted to ask, what might be wrong here. Minetest runs, I unchecked in 'settings' all 4 boxes, but frame rate goes hardly above 30 (window size 800x600), and very often down below 5 frames. So, not usable. I have: WIN XP SP 3 Nvidia...