Blue screening occurs when an error occurs these errors in game are generally ram based due to the game being poorly optimised during development for console, this does not apply for pc because u can have 32 or 64 gb ram if u so feel like it, fixing this will require some coding and redevelopment but I’m sure this is a goal for them, the FPS lag is a side product of the poor optimisation, since this game has a max FPS rate of 30 and does not get boosted by ps pro, lag is inevitable but it can have managed by turning off some settings like group member icons which actually use ram so they can be constantly updating, making the game have a max fps rate of 60
after it’s properly optimised this will fix the lag, for now restarting and lowering settings is best thing
again better optimisation for the server will stop sliding and other forms of connectivity lag issues or reduce it depending on where u are
the microphone bug is quite well known, I’m sure they are trying to develop ansolution