Hi Derek - when freeing the town of Cannargh, and you are given the sword and some healing items, if you hit "Trade" it will then open a 2nd loot window where you can also hit trade. That then opens up the inventory screen. You do your deal and equip or trade and close, the trade window will pop up again. Not necessarily a bug per se, as it's probably acting as designed, but redundant for the player and is confusing.

Here's the shot before attacking the butcherman:

Here's the loot window:

Here's the sword window, I hit trade:

Instead of taking to trade screen, I get the next loot window:

I hit trade again and get the inventory trade screen:

When I hit done, I get the screen again: