@GrizzlyBear
Please try repairing your game files through the ESO launcher as this may help with the crashing and character invisibility.
@GrizzlyBear
Thank you for linking your game consultant. Looking it over everything on your system looks up to date and well within the game requirements.
Are you performing any specific action or in a certain area when crashing?
There is currently a known issue where spamming block can kick you from the game.