How to Fix ARC Raiders "Outdated Game Client" error

ARC Raiders has established itself as a major contender in the extraction shooter genre on platforms like Steam. However, alongside its popularity, a frustrating technical snag has begun to plague the community: the notorious "Outdated Game Client" error. This issue, which increased in frequency following the October 31, 2025 patch, effectively blocks players from starting a match and has, curiously, been observed since the game’s early playtests.The root cause of this error is a mismatch between the local game version and the official ARC Raiders servers. This desynchronization can be triggered by several common factors, including integrity issues with game files, a compromised internet connection, or security software mistakenly blocking the server connection.While the developers have yet to provide a single, universal fix, a handful of workarounds can resolve the underlying issues. If you are stuck facing this persistent error, here is a detailed, multi-step troubleshooting guide to get your Raider back into the fight.

Fix ARC Raiders "Outdated Game Client" error

Step 1: Addressing File Integrity (PC Users)

Corrupted, missing, or improperly updated game files are the most common cause of a version mismatch. For PC players, verifying the integrity of the game files forces the launcher to check all installed components against the official server version and replace any problematic files.

Steam Users

• Open your Steam Library.
• Find ARC Raiders in your list of games.
• Right-click on the game and select Properties.
• Navigate to the Installed Files tab (or Local Files, depending on the client version).
• Click on Verify integrity of game files....

Epic Games Users

Open the Epic Games Library.

Find ARC Raiders and click on the three dots icon (...).

Select Manage.

Click the Verify option.

Important Note: File verification can take several minutes, depending on the speed ofyour hardware. Once the process is complete, it is strongly recommendedthat you restart your entire system before attempting to launch ARC Raiders again.

Console Users (PS5/Xbox Series X|S)

Unfortunately, console systems do not typically offer a file verification option. Ifyou are facing the "Outdated Game Client" error on PlayStation 5 or Xbox Series X|S, the only possible solution is a complete reinstallation of the game.

Step 2: Checking Security Software Interference

Another frequent culprit is local security software—specifically, the WindowsFirewall or a third-party antivirus program—which can mistakenly blockthe game client from communicating with the server during the handshakeprocess.

Allowing ARC Raiders Through Windows Firewall

• Open Windows Security (you can search for it in the Start Menu).
• Navigate to Firewall & network protection.
• Select the option that reads Allow an app through firewall.
• In the list of applications, scroll down to find the ARC Raiders file.
• Ensure that both the Private and Public boxes are checked for the ARC Raiders executable file. This grants the game permission to connect regardless of the network type you are using.

If you are using a third-party antivirus suite (like Norton, McAfee,etc.), you must navigate to that program’s settings and manually add an exception for the ARC Raiders executable file to ensure its connection is not being restricted.

Step 3: Diagnosing Network Stability

An unstable or unreliable internet connection can prevent the game clientfrom syncing properly with the server, leading the server to reject theconnection based on an assumed version mismatch.

Test Connection Quality

• Use a Third-Party Tester: Use a reliable third-party network speed tester (such as Ookla Speedtest or similar services) to check your current internet speed, latency (ping), and, most critically, packet loss.
• Identify ISP Issues: High latency or any noticeable packet loss suggests an issue from your Internet Service Provider (ISP) side. Ifthe test results are poor, contact your ISP to troubleshoot thestability of your connection.
• Wired Connection: If possible, switch from Wi-Fi to a wired Ethernet connection. Wired connections are inherently more stable, reducing the chances of dropped packets that can trigger a client desync.

While there may not be a single "magic bullet" fix for the "Outdated GameClient" error, following these steps—starting with file verification and escalating through security and network checks—will address the mostcommon technical causes and should successfully restore your connectionto the ARC Raiders servers.

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