will start no reverse or forward 04 santa fe

What is your question?

Starts fine. No strange noises. It just won't go forward in drive or reverse shifted in reverse. Added transmission fluid and vehicle moved in both directions with ease but It now feels like it's forcing itself to move.

What makes this problem better or worse?

it starts and idles with no problem. it gets worse in gear.

How long has your 2004 Hyundai Santa Fe had this problem?

a couple of weeks.