So I got this error the other day. It used to appear smaller (I don't have a screenshot of that sadly)
I thought that it had something to do with my firewalls/internet safety shit (for some reason it was fucking turned on. Turned off now though.)
But, sadly no.
Infact, when I changed those settings. It got worse:
I've tried redownloading, so far fuck all seems to make a difference, same error on multiple clients both patched and unpatched. I have absolutely no clue how to deal with this so any help would be greatly appreciated.