You need to convert the link to preformatted text (steps 3 & 4 of Perusoe’s reply) in order to post links. Follow the steps… you’ve already done Step 1.
As far as slow inventory, are you on a Mac by any chance ? there is an old topic on the Mac Technical Support forum here:
According to that topic, changing the Texture Quality from Low to High seems to work for some players. See the post by betaSavvy here:
Blizzard had requested that players with that issue post their system specs and info… you may want to add yours as well as a comment on whether changing Texture Quality helped.