I was able to fix this by switching the Greek font (Options>Bible Font>Greek Font) to @Arial Unicode MS. The Greek fonts show up fine now (no more boxes)!
Original message below:
I purchased the NET bible module for e-Sword yesterday and cannot seem to render some of the Greek fonts correctly in the notes. The KJV+ Strong's module, however, displays the fonts just fine.
Here's an example as to how the Greek fonts appear in the NET Bible's notes:
Is this supposed to be normal? I've tried several different kinds of Greek font sets and none seem to work.
I've also tried following directions from the threads below but this did not correct the issue: