Some believe this is directly to a Steam client update which broke EAC and was reverted. My own experience is that the error relates to the “Official Realm”. I am able to get on the “Modded Realm” with no issues BUT on the “Official Realm” the error occurs. Note: Have validated files (no errors), …

[image] Fatal Error/Easy AntiCheat Error Technical Support Hey folks! We’re looking in to this one. Seems some funk between Steam itself and EAC, Steam did a rollback of an update noting EAC as a reason. We’re seeing what we need to do (or can do) on our side to see this r…

Steam - Backend Rejected The Challenge Response

Warhammer: Vermintide 2 Technical Support

Fatshark_Hedge October 8, 2021, 10:35am 2

Topic		Replies	Views
Fatal Error/Easy AntiCheat Error Technical Support acknowledged	12	1554	October 9, 2021
Official Realm doesnt run, but modded Technical Support acknowledged	1	763	March 23, 2021
Backend reject the challenge response Technical Support acknowledged	2	1119	October 8, 2021
Game dont start in official realm, only open in modded realm Technical Support acknowledged	2	440	September 13, 2018
Easy Anti-Cheat won't start. Game starts without EAC Technical Support acknowledged	23	4315	March 8, 2021

Steam - Backend Rejected The Challenge Response

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