[4 Ways] Fix Arma Reforger Internal Error While Joining a Server

Why Does an Internal Error Occur in Arma Reforger When Joining a Server?

Internal errors in Arma Reforger when joining a server can stem from several issues:

• Corrupted game files: If your game files are corrupted, this can cause errors when connecting.
• Server-side issues: The server you are trying to join may be experiencing issues, such as being overloaded, or misconfigured.
• Network issues: Problems with your network connection can prevent you from joining a server.
• Mod compatibility: If the mods you are using are incompatible with the server’s configuration, this can cause errors.
• Firewall/antivirus settings: Sometimes, security software can block the game’s connection. Make sure Arma Reforger can get through your firewall and antivirus software.
• Outdated game version: Make sure both your game and the server are updated to the latest version.

After a preliminary understanding of why Arma Reforger causes an internal error when joining a server, let’s take a look at what methods can be used to solve it.

How to Fix Arma Reforger Internal Error While Joining a Server

Here are 4 methods to explain in detail how to fix Arma Reforger internal error while joining a server.

Fix 1: Update the Network Drivers

Outdated or corrupted network drivers can cause various issues while playing games, such as Arma 3 freezing issue, Arma 3 referenced memory could not be written, and the issues discussed in this article. Here are the detailed steps:

Step 1: Right-click the Start menu and select Device Manager from the context menu.

Step 2: Expand the Network adapters category, and then right-click the active adapter and select Update Driver.

Step 3: Then you can select Search automatically for drivers option to update the driver automatically.

Fix 2: Verify the Integrity of Game Files

Then Arma Reforger internal error can also occur if your game files are corrupted. You can verify the integrity of your game files on Steam by following these steps:

Step 1: Launch the Steam, and navigate to Library located at the top of the Steam window to access your game library.

Step 2: Locate the Arma Reforger game, and then right-click on it, and select Properties from the dropdown menu.

Step 3: Navigate to the Installed Files tab and then click the Verify integrity of game files button.

Step 4: Finally, relaunch Arma Reforger and check for improvements.

Fix 3: Run Arma Reforger as an Administrator

Sometimes, Arma Reforger internal error while joining a server can appear if you do not have sufficient permissions to access the game files. To avoid this, you can try running the game as an administrator.

Step 1: Right-click the Arma Reforger launcher (.exe file), and select Properties.

Step 2: In the Properties window, go to the Compatibility tab and tick the checkbox next to Run this program as an administrator. Then click OK to save the change.

Fix 4: Whitelist Arma Reforger on Your Firewall

Step 1: Type Control Panel in the Search box and choose it to open.

Step 2: In the popup window, select View by to Large icons. Then choose Windows Defender Firewall to continue.

Step 3: Select Allow an app or feature through Windows Defender Firewall from the left side.

Step 4: Select Arma Reforger’s launcher from the list of apps and check the boxes for both Private and Public.

Step 5: Click on OK to save the changes.

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Bottom Line

To sum up, this post shows 4 ways to fix the Arma Reforger internal error while joining a server issue. If you come across the same errors, try these solutions.