Quote Originally Posted by aiqa View Post
What worked for me was disabling hardware acceleration in Firefox.
I still had 1 or 2 crashes in about a week after disabling that but FF is far more stable now, definitely playable.
I don't use Firefox I use Chrome, but I have hardware acceleration disabled.

I re-installed XIV again (thankfully my download speeds are good, it only takes about an hour), and it worked this morning for the short 30 minutes that I played. I just wish I could pinpoint an exact cause but it's so erratic.