Users reported that this solution was helpful to them, so feel free to try it.Solution 3 – Change AMD Catalyst Control Settings In order to perform this solution, make sure that Diablo 3 isn’t running.Quickly fix PC issues and prevent others from happening with this software: Diablo series is probably one of the best-known action RPG series on Windows platform.
The tech support aren't much help as of now, for they are busy and this is a new game.
We recommend this third-party tool (100% safe and tested by us) to automatically download all the outdated drivers on your PC.
Solution 2 – Set Battle Net and Diablo 3 to power saving mode Few users claim that they solved the crashing issues with Diablo 3 by setting both the game and the Battle Net client to run in power saving mode from Catalyst Control Center.
If your game is very choppy playing the game in windowed fullscreen mode usually fixes the problem.
If you are downloading the beta and stuck at updating setup files, close the launcher, end the process manually in your task manager.