pls help

(just downloaded utau) used あ for example, but also any other symbol just shows up as a '?' (picture) probably my device's fault but still, any idea how to fix it?

The voice provider is my brother, but we recorded it a couple of years ago, right before I got my first Vocaloid. He probably doesn't remember it by now, but recently I came across it on my laptop so I messed around and made some covers. I really want to post the covers, but I can't yet because...

Hello everyone~ I'm finally back from vacation from the Philippines and I missed all of you a lot <3 Okay, with that said... During those 2 months, I forgot how to UTSU OTL I recently DL-ed a new UST, in hopes to get the 1VBChallenge in progress again TT^TT. Unfortunately, after using the...