ARC Raiders has quickly captured the attention of players with its intense cooperative gameplay, sci-fi atmosphere, and tactical combat. However, many players have encountered the frustrating “Unexpected Error” message that prevents them from launching or properly playing the game. This issue can appear without warning and may leave users unsure about what went wrong or how to fix it.
TLDR: The ARC Raiders “Unexpected Error” usually stems from server instability, corrupted game files, outdated drivers, or network configuration issues. Most players can fix it by verifying game files, updating drivers, restarting network equipment, or reinstalling the game. Server outages may also be the cause, so checking official updates is essential before attempting advanced fixes. A step-by-step troubleshooting approach resolves the issue in most cases.
What Is the ARC Raiders Unexpected Error?
The Unexpected Error in ARC Raiders is a general error message displayed when the game client cannot properly connect, load assets, or communicate with the game servers. Unlike specific error codes, this generic notification offers little detail, making troubleshooting more challenging.
Players report seeing the error:
- During game launch
- While connecting to servers
- Mid-game during loading screens
- After patch updates
Because the error does not clearly specify the cause, resolving it requires narrowing down potential system, software, or server-related triggers.
Main Causes of the ARC Raiders Unexpected Error
1. Server-Side Problems
ARC Raiders relies heavily on online connectivity. During:
- Beta tests
- Major updates
- High player traffic periods
- Maintenance windows
Servers can become overloaded or temporarily unavailable. In those cases, the error originates outside the user’s system.
Solution: Check official social channels, forums, or the game launcher’s announcements for server status updates before attempting local fixes.
2. Corrupted or Missing Game Files
Game files can become corrupted due to interrupted downloads, system crashes, or failed updates. Even a single missing file may trigger the Unexpected Error.
This is particularly common after:
- Large patch installations
- Sudden PC shutdowns
- Storage drive issues
3. Outdated Graphics Drivers
ARC Raiders uses modern rendering techniques that demand updated GPU drivers. Older drivers may conflict with new game builds, leading to startup crashes and error messages.
Both NVIDIA and AMD users frequently resolve the error by installing the latest driver updates.
4. Network Connectivity Problems
Since ARC Raiders is an online-focused title, unstable connections can trigger communication failures with servers. Common network causes include:
- High packet loss
- Strict NAT types
- Firewall restrictions
- Outdated router firmware
If the game cannot properly authenticate or sync with servers, it may display a generalized Unexpected Error.
5. Background Software Conflicts
Some applications interfere with ARC Raiders during launch. Examples include:
- Overlays (Discord, GPU overlays, streaming tools)
- Antivirus software blocking processes
- VPN services
- Performance boosting utilities
Disabling these temporarily often resolves the issue.
Step-by-Step Fix for ARC Raiders Unexpected Error
Step 1: Check Server Status
Before adjusting system settings:
- Visit official ARC Raiders social pages.
- Check community forums.
- Look for maintenance announcements.
If servers are down, the only solution is to wait until service is restored.
Step 2: Verify Game Files
If using platforms like Steam or similar launchers:
- Open your game library.
- Right-click ARC Raiders.
- Select Properties.
- Choose Verify Integrity of Game Files.
This process scans and replaces corrupted or missing files automatically.
Step 3: Update Graphics Drivers
Download the latest drivers directly from:
- The official NVIDIA website
- The official AMD website
A clean installation is recommended. Many driver installers offer a Clean Install option to remove older conflicting versions.
Step 4: Restart and Reset Network Equipment
Network resets often fix hidden connectivity issues.
- Turn off your PC.
- Unplug your modem and router.
- Wait 60–90 seconds.
- Plug devices back in.
- Restart your PC.
This clears temporary network cache and refreshes your IP assignment.
Step 5: Disable Firewall or Add Exception
Some firewalls may block ARC Raiders from accessing servers.
Solution:
- Temporarily disable the firewall to test the game.
- If it works, add ARC Raiders as a trusted exception.
Note: Re-enable firewall protection after testing.
Step 6: Run Game as Administrator
Permission issues can prevent essential processes from executing properly.
- Right-click the ARC Raiders executable file.
- Select Run as Administrator.
This provides the game full system access to required directories.
Step 7: Reinstall the Game
If none of the above fixes work, performing a clean reinstall is often effective.
To maximize success:
- Uninstall the game completely.
- Delete leftover installation folders.
- Restart your system.
- Reinstall fresh copies of all files.
Advanced Troubleshooting Methods
Flush DNS Cache
Clearing DNS can resolve server communication mismatches.
- Open Command Prompt as administrator.
- Type: ipconfig /flushdns
- Press Enter.
This refreshes DNS records and can fix connection routing problems.
Change DNS Server
Switching to alternative DNS providers like:
- Google DNS (8.8.8.8 and 8.8.4.4)
- Cloudflare DNS (1.1.1.1)
can stabilize network resolution and reduce errors.
Disable Overlays
Overlay software often conflicts during launch.
Disable:
- Steam overlay
- Discord overlay
- Graphics card performance overlays
Then relaunch the game.
Preventing Future Unexpected Errors
Players can reduce the chances of encountering this error by maintaining their systems properly.
Best practices include:
- Keeping GPU drivers updated
- Maintaining stable internet connections
- Avoiding forced shutdowns during updates
- Regularly verifying game files after patches
- Keeping Windows fully updated
Proactive system maintenance significantly lowers the risk of recurring issues.
When to Contact Support
If the error persists after trying all recommended solutions, it may indicate:
- Account-related authentication problems
- Regional server mismatch
- Game-specific bugs requiring developer fixes
In such cases, contacting official support with detailed system specifications, screenshots, and error descriptions can speed up resolution.
Conclusion
The ARC Raiders Unexpected Error can be frustrating, especially when it appears without explanation. However, in most cases, the issue stems from manageable problems such as outdated drivers, corrupted game files, or network instability. By following a structured troubleshooting process—starting with server checks and moving toward more advanced system fixes—players can typically restore access quickly.
Staying proactive with updates and ensuring system stability not only helps resolve this issue but also improves overall performance and gameplay experience.
FAQ – ARC Raiders Unexpected Error
1. What does the ARC Raiders Unexpected Error mean?
It is a general error indicating that the game failed to launch or connect properly. It does not specify a single cause and can result from server, network, or system issues.
2. Is the Unexpected Error caused by servers being down?
Yes, sometimes the error occurs during server outages or maintenance periods. Always check official announcements first.
3. Can outdated drivers cause the error?
Yes. Old graphics drivers are a common reason for launch failures and unexpected crashes in modern games.
4. Will reinstalling ARC Raiders fix the problem?
In many cases, yes. A clean reinstall replaces corrupted files and resolves persistent installation issues.
5. Does internet speed affect this error?
Not directly, but unstable or high-latency connections can trigger connection failures that result in the error.
6. Should antivirus software be disabled?
Temporarily disabling antivirus or adding the game as an exception can help determine whether security software is causing the issue.
7. Is the error more common after updates?
Yes. Major patches sometimes introduce file corruption or temporary server strain, both of which may trigger the error.

