Marvel Rivals 'Anti-Cheat Initialization Failed' & Network Disconnect Fix
This error occurs when the Marvel Rivals security client fails to negotiate a secure encrypted token with the matchmaking matchmaking gateways upon launch.
- ▸Flush Windows DNS resolver and reset Winsock network catalog
- ▸Synchronize Windows Internet time with time.windows.com
- ▸Add Marvel Rivals binary folder to Windows Defender antivirus exclusions
Step-by-Step Resolution Steps
Click steps to track progressFlush DNS and Reset Sockets (CMD)
Clear stagnant routing records and reload fresh connection certificates for the game servers.
ipconfig /flushdns & netsh winsock reset & netsh int ip resetSynchronize System Clock (PowerShell)
Anti-cheat token exchanges require less than 1-second clock drift with authentication servers.
w32tm /resync /forceVerify Marvel Rivals Integrity in Steam
Open Steam -> Library -> Right-click Marvel Rivals -> Properties -> Installed Files -> Click 'Verify integrity of game files'.
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Shielded Cat8 Braided Gaming Ethernet Cable
Eliminate wireless latency jitter and packet dropouts during ranked superhero team fights.
Why Does This Error Happen?
Understanding the root cause prevents recurrence during competitive matches:
- 1Security driver service blocked from outbound communication by third-party firewalls
- 2Stale local DNS cache storing out-of-date Marvel Rivals regional routing IPs
- 3Running custom background memory debuggers or Cheat Engine processes in Task Manager
- 4System date and time out of sync with international NTP servers
Frequently Asked Questions (Anti-Cheat Initial Failed)
Does this error mean my account has a strike or ban?
No. Anti-Cheat Initialization Failed is strictly a handshake timeout between the security driver and the authentication gateway.