Blade and Soul player have reported the game showing Error 4049 while launching the game. It mostly happens with Windows Users throughout we found out it happens because of using an outdated version of Launcher. So, if this doesn’t occur multiple times try to restart the computer and relaunch the game itself.

Also, if you are using the Razer hardware then ensure that you have enabled the Razer Chroma SDK. So far, you should also check for the GPU Driver update in case it gets outdated. So for other detailed instructions without further do let’s check them out.

Fix Error 4049 in Blade and Should

There was a various method to troubleshooting, follow the following instruction mention down below.

End the Active Game Processes

If relaunching doesn’t work for you then check if the previos session is currently in use. Check-in task-manager if the following process is running BnSCefSubProcess.exe, GameMon.Des and Client.exe.

  • Open Task Manager and then head over to the Processes tab.
  • Click on the active Process and then check for the above mention process.
  • Right-click on the process and then end the task.
  • That’s it, Relaunch the game.

Enable Razer Chroma SDK

First thing first, make sure you have updated your Razer Chroma SDK to the latest version.

  • Open Services and then head over to the list of services.
  • There, Locate the Razer Chroma SDK and Right-Click on it.
  • Select Start.

Update Graphics Driver

While playing a game, Graphics resources are the most-used hardware so it is important that you have updated your Graphics Driver to the latest version.

  • Open Device Manager and then Locate the Display Adapter.
  • Click on it and there within the GPU select the Update Driver.
  • Now, It will automatically start searching for the Automatically Update Driver Software.
  • Ensure that you have active internet connectivity, it will download and install the driver.
  • Once it is done, Reboot your Computer.
  • That’s it, Relaunch the game.

Reinstall Razer Synapse Utility

In case, you are using the Peripherals from razer then you must have installed the Utility Razer Synapse on Windows 10. Reportedly, it shows a lot of error in Windows 10 so once try to fix with re-installing the Razer Synapse.

  • Open Program and feature, and then select Control Panel.
  • Navigate to Components and on that list, the Program and Feature will appear.
  • Locate the Razer Synapse and right-click on it.
  • Choose Uninstall and then restart your computer.
  • Now, head over to the
  • From there download the latest version of Synapse and then install it on your computer.
  • Once it is installed, Restart your computer.
  • That’s it, Relaunch your Game.

Download the latest launcher for Blade and Soul

Sometimes, the error comes with the package, which later is been resolve by the developer through patch update. So, it is important that you have updated your game to the latest version.

  • Go to
  • Now, from there download the latest version of Blade and Soul.
  • Install the latest patch by following the on-screen wizard and reboot your computer.
  • That’s it, Relaunch the game.

Try with Temporarily disable Anti-virus

It might also be possible that your Anti-virus is been conflicting with eh game. So it is really important that you have temporarily disabled your Anti-virus.

If you are using Windows Defender then here is the following guide.

  • Open Settings and then head over to the Update & Settings.
  • Click on Update & Security.
  • Select the Windows Security and after that, you should also disable the Windows Firewall for Public Network and Private Network.

Uninstall and Reinstall Blade and Soul to Fix Error 4049

This is quite obvious that by uninstall and reinstalling can potentially fix all the error. Most likely, there isn’t any Verify game file is available to use so you can’t just replace all the corrupt files and or missing game files.

Hopefully, this troubleshooting method helps you to fix the error 4049.