To understand the problem, one must first decode the message. A “remote host” refers to the Albion Online update server. “Closing connection” indicates that the server deliberately terminated the data transfer before the file was fully downloaded. Unlike a simple timeout or a slow download, this is an active refusal to continue sending data. For the player, the result is a stalled update, often after downloading hundreds of megabytes, forcing a frustrating restart.
This error is particularly insidious because it mimics a network outage, but it is often a sign of a protocol or security mismatch. The Albion Online launcher uses standard HTTP/S protocols to fetch game assets. When the remote server detects something anomalous in the request—such as an incorrect packet order, a mismatched checksum, or a sudden change in the connection’s behavior—it is programmed to “close the connection” as a defensive measure. In essence, the server is not crashing; it is actively rejecting the client’s request for safety or consistency reasons.
The full game data (10+ GB) might be fine. The launcher (a small 200MB program) is often the broken part.
This code is designed to be dropped into a generic FileDownloader class.
using System;
using System.IO;
using System.Net;
using System.Threading;
using System.Threading.Tasks;
public class AlbionDownloader
// Configuration
private const int MaxRetries = 3;
private const int DelayBetweenRetriesMs = 1000;
/// <summary>
/// Downloads a file with specific handling for "Remote Host Closed" errors.
/// Supports Resume/Retry logic.
/// </summary>
/// <param name="url">The URL of the file to download.</param>
/// <param name="destinationPath">Local path to save the file.</param>
/// <param name="progress">Optional progress reporter (0-100).</param>
/// <param name="token">Cancellation token.</param>
public async Task DownloadFileWithRetryAsync(string url, string destinationPath, IProgress<int> progress = null, CancellationToken token = default)
// Ensure directory exists
Directory.CreateDirectory(Path.GetDirectoryName(destinationPath));
int retryCount = 0;
long totalBytesToReceive = 0;
long bytesReceivedSoFar = 0;
// Determine if we are resuming an existing partial download
if (File.Exists(destinationPath + ".tmp"))
bytesReceivedSoFar = new FileInfo(destinationPath + ".tmp").Length;
while (retryCount <= MaxRetries)
try
// Create the request
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
request.UserAgent = "AlbionOnlineLauncher/1.0"; // Mimic launcher if needed
request.Method = "GET";
// If we have partial data, ask for the rest (Resume support)
if (bytesReceivedSoFar > 0)
request.AddRange(bytesReceivedSoFar);
using (HttpWebResponse response = (HttpWebResponse)await request.GetResponseAsync())
using (Stream responseStream = response.GetResponseStream())
using (FileStream fileStream = new FileStream(destinationPath + ".tmp", FileMode.Append, FileAccess.Write, FileShare.None))
// Get total size (if resuming, ContentLength is only the remaining part, so calculate total)
long? contentLength = response.ContentLength;
if (contentLength.HasValue)
if (bytesReceivedSoFar > 0 && response.StatusCode == HttpStatusCode.PartialContent)
totalBytesToReceive = bytesReceivedSoFar + contentLength.Value;
else
totalBytesToReceive = contentLength.Value;
// If server didn't support resume, start over
fileStream.SetLength(0);
fileStream.Seek(0, SeekOrigin.Begin);
bytesReceivedSoFar = 0;
byte[] buffer = new byte[8192];
int bytesRead;
while ((bytesRead = await responseStream.ReadAsync(buffer, 0, buffer.Length, token)) > 0)
await fileStream.WriteAsync(buffer, 0, bytesRead, token);
bytesReceivedSoFar += bytesRead;
// Report Progress
if (totalBytesToReceive > 0 && progress != null)
int percentage = (int)((bytesReceivedSoFar * 100) / totalBytesToReceive);
progress.Report(percentage);
// Download completed successfully
if (File.Exists(destinationPath)) File.Delete(destinationPath);
File.Move(destinationPath + ".tmp", destinationPath);
return; // Exit function successfully
catch (Exception ex) when (IsRemoteHostClosedError(ex))
retryCount++;
if (retryCount > MaxRetries)
throw new InvalidOperationException($"Download failed after MaxRetries retries. Remote host repeatedly closed connection.", ex);
// Log event or update UI
Console.WriteLine($"Error: Remote host closed connection. Retrying (retryCount/MaxRetries)...");
// Exponential backoff delay
await Task.Delay(DelayBetweenRetriesMs * retryCount, token);
// Loop continues, logic checks for .tmp file size and resumes automatically
catch (Exception ex)
// Handle other non-recoverable errors (404, 403, Disk Full, etc.)
throw new InvalidOperationException("Download failed due to an unrecoverable error.", ex);
/// <summary>
/// Checks if the exception is the specific "Remote host closed" error.
/// </summary>
private bool IsRemoteHostClosedError(Exception ex)
// 1. Check for WebException (The server closed the connection)
if (ex is WebException webEx)
webEx.Status == WebExceptionStatus.KeepAliveFailure
// 2. Check for IOException (The underlying stream was closed unexpectedly)
if (ex is IOException)
return true;
return false;
Before jumping to fixes, identify the most likely culprit:
Fixing the "Remote Host Closed" Error in Albion Online (2026 Update)
If you’re staring at a "RemoteHostClosedError" while trying to download or update Albion Online
, you aren't alone. This error typically triggers when the connection between your game client and the update server is dropped, often due to ISP interference, regional blocks, or security software conflicts. 1. Bypass ISP Blocks with a VPN or Hotspot
In many cases, your Internet Service Provider (ISP) may be inadvertently blocking the update service.
Use a VPN: Many players find that switching to a VPN for the duration of the update resolves the issue. Once the update completes, you can usually disconnect the VPN and play as normal.
Mobile Hotspot: Try connecting your PC or mobile device to a different network, such as a 5G mobile hotspot, to bypass local WiFi or ISP restrictions. 2. The "Steam Swap" Workaround
If the native launcher continues to fail, you can use Steam as a reliable file source. Download the game via Steam.
Go to your Steam library, right-click Albion Online, and select Browse local files.
Copy the updated game files (including the BattlEye folder) from the Steam directory to your original native client folder. 3. Network Configuration Tweaks
Sometimes the error is caused by modern network protocols that the game launcher struggles to navigate. Can't update my client : Remote Host Closed Error - Bugs
Fix: Albion Online "Remote Host Closed" Download Error If you’re seeing the "Remote Host Closed" error while trying to update Albion Online, you aren't alone. This common connection drop usually happens when the game launcher loses its link to the update server, often due to regional ISP blocks, DNS issues, or interference from security software. Quick Fixes to Get Back Online To understand the problem, one must first decode the message
Before diving into complex settings, try these immediate workarounds that have helped most players:
Repeatedly Click "Retry": Sometimes the server is just overloaded. Many users found that clicking "Try Again" 5–10 times eventually pushes the update through.
Use a VPN: This is the most successful fix for regional routing issues. Switch to a VPN and connect to a different country (e.g., if in Asia, try a US or EU node) to bypass ISP blocks.
Switch to Mobile Hotspot: Temporarily connecting your PC to your phone’s data can bypass local network or router restrictions that might be causing the "closed connection". Step-by-Step Troubleshooting Guide 1. Whitelist the Game in Your Firewall
Security software often flags Albion Online's update process as suspicious, cutting off the connection.
Open Windows Defender Firewall and select "Allow an app or feature through Windows Defender Firewall."
Ensure both AlbionOnline.exe and the launcher are checked for both Private and Public networks.
If you use third-party antivirus (like Kaspersky or McAfee), add the entire Albion Online folder as an exclusion. 2. Flush DNS and Reset Network Settings
Corrupted network cache can prevent the launcher from finding the correct update server. Can't update my client : Remote Host Closed Error - Bugs
Title: Fix — “Error on download: Remote host closed connection” after Albion Online update
Hey everyone — after today’s Albion Online update I started getting this error when launching/patching the client:
“Error on download: Remote host closed connection”
What I tried
What helped / final fix
Things to check for others
If none of this works
Hope this helps — post your OS, launcher (Steam/standalone), and any error log snippets and I’ll try to help further.
Remote Host Closed Connection error during an Albion Online typically indicates a dropped connection between your client and the update server , often caused by ISP blocks or local network interference Steam Community Immediate Workarounds
: This is the most common fix to bypass regional ISP issues or routing errors. Once the update completes, you can usually disable the VPN and play normally. Switch Networks
: Try connecting via a mobile hotspot if you are currently using WiFi or a standard broadband connection. Direct Execution : Try launching the game directly from the launch_albion_online.exe
file in your install directory; while it may be unpatched, it sometimes bypasses launcher-specific blocks. Albion Online Forum Network & System Fixes
Client can't update, Error on Download - Albion Online Forum
SirisLi wrote: Hello! Some of the players are reporting that the issue has been resolved after today's Hotfix. Please check if it' Albion Online Forum RemoteHostClosed error - Bugs - Albion Online Forum
The "RemoteHostClosedError" in Albion Online is a frustrating but common network-related issue that typically occurs during the game's update or installation process. Users frequently report this error when the game launcher loses its connection to the update server, often due to regional routing issues, ISP conflicts, or local security software interference. Key Takeaways & Solutions
While there is no single "one-click" fix from the developers, the community and support teams have identified several effective workarounds:
The VPN Workaround (Most Reliable): Using a VPN or switching to a mobile hotspot is often the most successful solution. This bypasses potential routing issues between your ISP and Albion’s servers.
The Steam "File-Swap" Method: If the native launcher fails repeatedly, a common expert fix is to download the game through Steam and then copy the game files from the steamapps folder into your original native client directory.
Network Adjustments: Disabling IPv6 in your network adapter settings or changing your default DNS to a public one (like Google's 8.8.8.8) has helped many players regain a stable connection.
Security Permissions: Ensure that AlbionOnline.exe and the launcher are whitelisted in your Windows Firewall and antivirus software, as these programs often mistake the update traffic for suspicious activity.
System Integrity: Some players have found success by repairing EasyAntiCheat within the game files or clearing their %temp% folders and restarting their routers. Before jumping to fixes, identify the most likely
For persistent issues, the developers recommend submitting diagnostic data through the Albion Online Connection Issues Hub to help them identify problematic internet routes.
Have you already tried using a VPN or a different network to see if the download progresses?
How to Solve Albion Online Server Connection Issues - GearUP
It looks like you’re describing an error message related to downloading an update for Albion Online, specifically:
“error on download remote host closed”
And you’re also mentioning that you’ve found a “solid article” about it.
If you’re looking for help with this error, here’s a quick summary of what usually causes it and how to fix it — plus how that “solid article” likely explains it.
The "Error on download – Remote host closed connection" in Albion Online is a maddening, cryptic message, but it is almost always solvable. In 80% of cases, disabling IPv6 or whitelisting the launcher in your antivirus fixes it immediately. In the remaining 20%, a DNS change or launcher reinstall does the trick.
Don’t let a network handshake ruin your evening in the mists. Work through this guide methodically, and you will be back to ganking, gathering, and guild warfare before the maintenance window ends.
Remember: Never download launchers from third-party sites. Always use https://albiononline.com. Stay safe, and happy looting.
This article was last updated for the Albion Online "Wild Blood" and "Crystal Raiders" patch cycles. Networking behavior changes, but these troubleshooting fundamentals remain timeless.
Few things are more frustrating for a dedicated Albion Online player than logging in after a long day, ready to gather, craft, or dive into the mists, only to be greeted by a cryptic error message: "Error on download – Remote host closed connection during update."
You click retry. It fails again. Your internet seems fine—Netflix is streaming, Discord is buzzing—but the Albion Online launcher refuses to cooperate. This error isn't a problem with your computer's health, nor is it typically a server-wide outage. It is a specific networking handshake failure between the Albion Online launcher (which is based on the older Adobe AIR framework) and the game’s patch servers.
In this guide, we will dissect exactly what this error means, why it happens, and provide a step-by-step troubleshooting blueprint to get you back into the Royal Continent.
Try these solutions in order. Test the launcher after each step. Verified there’s enough disk space and no quota limits