I'm writing this because a similar issue was posted 5 years ago, and others might also need an updated fix.

I have recently installed Oldrim on my new laptop. I was going for an Elven pure Mage modded build. I added some of the essential mods (SkyUI, Enhanced Blood, Unofficial Patch, etc.). Part of the build is becoming a vampire for power. I'm a Better Vampires user myself, so that is also in the mod list, and I just noticed that becoming a vampire completely breaks dialogue, both during and after (subtitles don't disappear). I started the College of Winterhold's questline, and was at the point where you retrieve the stolen books. As most of you know, there are a few Vampires in that area (jackpot). So I get infected, wait 3 days, then transition to Vampirism. I cleared the dungeon, Fed a few times to advance my powers, then got the books. Upon my return I noticed that I could not continue any dialogue without ramming into the NPC in question (in this case Tolfdir and Ancano).

I know it's BV because I had the same issue with another Dark Brotherhood vamp build on my last PC. Any fixes, or should I hop over to Sacrosanct?