How to Fix Error Code 1bin League of Legends

Error code 1b that appears to players when starting up League of Legends, is tied to connecting to the game’s servers, as opposed to the usual LoL bugs.
How to Fix Error Code 1bin League of Legends




The usual Error codes found in League of Legends are tied to the various bugs found in either the game or the Game Client. On the other hand, Error Code 1b, how to fix League of Legends Error Code 1b, and anything related, is connected to your internet and affects Linux users, PC users, and Mac users alike.

How to Fix Error Code 1bin League of Legends



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Resetting the LoL Client

League of Legends is getting patched all the time, and yet the one thing Riot Games don't seem to plan on fixing is the League of Legends Client. So, the first suspect cause of this unexpected login error is the Client itself:

  1. Press ALT+F4
  2. Sign Out
  3. Press Ctrl+Shift+Esc to open Task Manager
  4. Terminate all League of Legends processes
  5. Open Riot Games Client
  6. Sign Back In
League of Legends - Terminate Processes

Once that is done, the boot-up processes should be reset, and the issue should have gone away. That is, of course, if the cause was the bug in the first place or any of the processes in the task manager. If not, then you’re still locked out of the game completely, and this critical error is still an issue.



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Check League of Legends Servers

In most cases, this error code is triggered when your computer rejects security certificates from LoL servers. The first, and most obvious, solution, is checking the availability of League of Legends servers. As Riot Games has a worldwide network of servers to support the game, there is often scheduled maintenance.

Due to that, League of Legends Error 1b may not be something fixable, at that moment, and just needs to be waited out. All you need to do is:

  1. Visit the Official League of Legends site
  2. Find the server you play on
  3. Check for maintenance

If Riot Games are in the process of doing maintenance on your server, there is no option other than waiting it out.



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Restarting the Game and Computer

If you haven't done this yet, then you need to close everything down. Close the game and, the client then re-launch them. This can solve various strange problems and is something you need to do first when encountering a problem.

If restarting the client and game doesn't help then restart the computer. This confirms that it's not some kind of start-up unexpected error and lets you move on to the next steps.



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Install the Latest OS Updates

We all hate doing it and delay it until the end of time, but you always need to update the latest version of your Operating System to keep it working smoothly, especially if there's been a game update since then, as the issue could be a maintenance error, similarly to the unknown Direct X error.

Microsoft Windows Update

League of Legends and other games depend on your OS to run at the most recent version. New game updates can require recently added features for it to run smoothly so not installing your updates can cause problems.



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Changing the Time on Your Computer

It might sound strange but this is something that's helped a lot of other players in the same position with this login session error. The issue stems from your PC not having its clock synced to the actual, real-world time.

Windows - Change Time

How to Change Time on Windows PC:

  1. Go to your Settings then Time & Languages,
  2. Open the Date & Time section,
  3. Toggle the option for automatic setting of time off,
  4. Save
  5. Toggle the option for automatic setting of time on,
  6. Relaunch the game.

How to Change Time on Mac:

  1. Click the Apple Menu,
  2. Open System Preferences
  3. Go to Date & Time,
  4. Uncheck the Set date and time automatically option,
  5. Click Save,
  6. Check the Set date and time automatically option
  7. Relaunch the game.


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Resetting Your Router

If there is no issue with your chosen server, then you need to move on to your internet connection. Thus we have a simple fix that most players should be able to think of by themselves, and that is restarting your router or the active network adapter. We recommend doing so once a week, to make sure your router works optimally.

Internet Router

This is especially important for those that do not use ethernet cables to maintain an ethernet connection, and instead rely on WiFi, to maintain a stable internet connection.



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Resetting Your Network Settings

If your router, which you should reset every so often, or hardware in general, is fine and the issue persists, then the issue may be found somewhere within your software, regarding your active internet connection. That would require you to:

  1. Right-click the Start Button
  2. Select Settings
  3. Select Network & Internet
  4. Click on Network Reset Under Advanced Settings
  5. Reset Network settings
  6. Restart your PC
Network Reset

By doing so you’ve reset your network settings, and this should solve the issue with connecting to said League of Legends servers. Unfortunately, this fix is not always enough, but don’t worry, there are other things to try out!



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Resetting Your DNS Server Adress

The League of Legends Error code 1b can also be caused by an issue with your DNS. That is, the connection it carries. The fix League of Legends error code 1b then needs is a reset and getting an alternate DNS server:

  1. Open Run by pressing Windows+R keys.
  2. Type in ncpa.cpl and click OK
  3. Right-click the network adapter and select Properties.
  4. Select Internet Protocol Version 4 (TCP/IPv4) and click Properties.
  5. Tick the Use the following DNS server addresses option.
  6. Type in 1.1.1.1 in the Preferred DNS server.
  7. Type in 1.0.0.1 in the Alternate DNS server
  8. Save changes by pressing OK
  9. Restart your PC
DNS Restart

With this, if the cause of the League of Legends error code 1b is your DNS, then it should be solved upon restarting your PC and having the following DNS server address changes applied.



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Adding a Firewall Exception

Every once in a while, as the game is constantly getting new content with patches, the Windows firewall may stop the game or the Client from running properly, or connecting to what it may deem an unsafe connection.

Windows Firewall Defender

That is why it is needed to enable firewall exception for the game in the firewall settings:

  1. Open the Control Panel
  2. Click on System and Security
  3. Open Windows Defender Firewall Screen
  4. Click on the Allow an App or Feature through Windows Defender Firewall
  5. Find lol.launcher.exe and systemrads_user_kernel.exe and tick the boxes next to them
  6. Click OK to save the changes

This is due to the fact that, every two weeks, League of Legends files change. And all it takes is for the firewall to find a single thing lacking, for the whole house of cards that is the League of Legends Client and its spaghetti code to break down.



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Reinstalling League of Legends

To reinstall League of Legends is a relatively simple affair. However, when it comes to doing so to get rid of an error or a bug that is plaguing you, such as ErrorCode 003, you will need to remove all game files from your computer completely before you can continue to reinstall League of Legends, as these can be caused by corrupted files after all.

League of Legends - Uninstall

After all, should you fail to do so, the problem will persist as the Legends Client adapts to the files you already have installed:

  1. Click on the search bar in the bottom left corner of your display,
  2. Then, type in Apps & Features,
  3. Open Apps & Features,
  4. Search for League of Legends,
  5. Select it, then choose to Uninstall League of Legends
Local Disk C - Riot Games Folder

Afterward, make sure to comb through your drives for Riot Games folders, and remove them indiscriminately, with all potentially corrupted game files. Once you did that, you should no longer be plagued by the error message prompts players receive when League of Legends Error Code 1b is messing things up.



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