Note; if you have AV's installed, you need to add an exception in it for HB. (Just because you "disabled" it, doesn't mean its actually fully disabled)
Please do the following via a command prompt with administrator privs:
Got the same thing, auth failed, im not behind any firewall, and im not connected to any router, i dont know what's wrong, on the previous version it did work, and now this, failed auth, someone please help, i dont know what to do!