Battlefield 6 / EA Javelin Anti-Cheat Crash Investigation Report
Multiple users appear to report similar EA Javelin Anti-Cheat crashes after recent updates. So I hope this will help.
Issue Summary
Battlefield 6 launches successfully through Steam and EA App. EA Javelin Anti-Cheat initializes correctly and the game reaches the main menu.
The crash does NOT occur during startup.
The game consistently crashes after approximately 2-7 minutes, either while sitting in the main menu or during active gameplay.
No BSOD occurs.
No DirectX error appears.
No NVIDIA driver crash is reported.
Windows Event Viewer repeatedly logs EA Javelin Anti-Cheat related errors.
System Information
- Windows 11 Pro Build 26200
- AMD Ryzen 7 9800X3D
- ASUS ROG Crosshair X670E Hero
- BIOS 3702
- 64 GB DDR5 RAM
- Secure Boot enabled
- UEFI enabled
Reproduction Steps
- Launch Battlefield 6 through Steam
- EA App starts normally
- EA Javelin Anti-Cheat initializes
- Battlefield reaches main menu
- Stay in menu or join a server
- Crash occurs after approximately 2-7 minutes
Observed Event Viewer Errors
EA Javelin Anti-Cheat
Event ID: 1000
Message:
Invalid argument count
Additional recurring entries:
- Exit Type 95
- Count 267
Observed after every crash.
Additional Error
StartServiceCtrlDispatcher failed with error 1063
Troubleshooting Already Performed
Battlefield:
- Full reinstall
- File verification completed
EA Anti-Cheat:
- Full reinstall
- Service verified
Hardware:
- EXPO tested
- Hardware stability checked
- RAM instability appears unlikely
- CPU instability appears unlikely
Windows Security:
- Secure Boot enabled
- Memory Integrity disabled
- Core Isolation disabled
Hypervisor Investigation:
- Hyper-V Windows Features disabled
- hypervisorlaunchtype set to Off
- Hyper-V not active
Device Guard / VBS:
- VBS indicators still present
- EnableVirtualizationBasedSecurity = 1 observed
Driver Investigation:
- fltmc reviewed
- No suspicious third-party filter drivers found
ASUS Investigation:
- Armoury Crate previously installed
- Remaining ASUS background services observed
- No definitive correlation confirmed
Important Observation
The game successfully launches and remains playable for several minutes before crashing.
This suggests:
- Anti-Cheat installation is functional
- Secure Boot requirements are satisfied
- Battlefield launches successfully
The failure appears to occur during runtime rather than startup.
Requested Investigation
Please review:
- EA Javelin Event ID 1000
- “Invalid argument count”
- Exit Type 95
- Count 267
- Runtime crash occurring 2-7 minutes after successful launch
At this point most common causes have already been investigated and excluded.
