You are watching very old replays, any replay before around 6 months ago is going to run into the nvidia cursor bug.
Go into the command menu in game with ~ and type in:
d3d_WindowsCursor
@arma473 Thanks for the suggestion. All mods are off, still desyncing
@Sheikah Uh oh. I AM getting the same error again. (see pic) Doesn't matter how many times I re-try the replay. Have tried restarting client, logging out and in again, same problem. I seem to have a knack for breaking things!
Thanks for the help. The download part seems to be working better now. Yes the coop is broken in several ways, but its just playable (using youtube to fill in the cutscenes and bits the game is missing.) Looking forward to playing it properly when its fixed!