ARC Raiders error codes and crash fixes
Every error, crash and connection failure we have a fix for, one page per code. Before the fix, each page says whether the problem is your machine or the studio's servers — because if it's theirs, no amount of verifying game files will help, and the only useful answer is whether it's happening right now.
Things you can fix
Crashes, install faults and driver conflicts. Find your symptom, work the steps in order, stop when it launches.
ARC Raiders error ARAV8007: disallowed file detected (fix)
The game refuses to launch and shows a "System Integrity Violation" dialog with the code ARAV8007, usually right after installing a game update.
ARC Raiders error 30005: Easy Anti-Cheat won't start (fix)
The game fails to launch with error code 30005, often alongside a "CreateFile failed with 32" or "CreateService failed with 32" message pointing at Easy Anti-Cheat.
ARC Raiders error ARAU0287: login authentication failed (fix)
Logging in throws an "ARAU0287" error and the game won't get past authentication, sometimes happening on every attempt to launch.
ARC Raiders error AREX0003: connection to game server lost (fix)
A "Connection to Game Server Lost" dialog appears with the code AREX0003, usually a few matches into a play session rather than immediately on launch.
Things you cannot
Queues, capacity limits and login failures. These are server-side — every page below links back to live status rather than a fix you can perform yourself.
ARC Raiders error AREX0001: disconnected from raid (fix)
Mid-raid, the game drops connection and shows "AREX0001" instead of reconnecting — sometimes a "Reconnect Available" prompt appears but tapping it throws the same error, leaving you stuck outside the raid with your gear still inside it.
ARC Raiders error ARMR0002: matchmaking has failed (fix)
Trying to queue for a raid shows "Matchmaking has failed. Please try again in a little while." with the code ARMR0002, and retrying immediately usually throws the same error.
ARC Raiders error ART00004: network timeout (fix)
A "NETWORK TIMEOUT, Retrieving Data From Backend Services Timeout" dialog with the code ART00004 interrupts play, often after a few raids in a row rather than on first launch.
ARC Raiders error ARSB0003: online services unavailable (fix)
Login, queueing, or matchmaking is blocked by an "online services unavailable" dialog carrying the code ARSB0003.
How these are graded
Every fix step carries a label. Confirmed means players demonstrably got back in with it, or the studio said so directly.Reported means it worked for some people and not others. Unconfirmed means it's circulating and there's no evidence either way yet. The distinction is the point — a page that lists five fixes with equal confidence costs you an evening.