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These errors occur when the launcher is having trouble getting responses from the server. Make sure you temporarily disable your antivirus software, that the launcher can get through your firewall, and that your ISP is not blocking access to the www.blackdesertonline.com domain.
Rename the version.dat file
If you encounter the error code 12009 when trying to download the new patch for Black Desert Online, the problem is most likely due to the fact that the installer is still based on the old version.dat file. when checking the current file, the version is compared to the version that was installed.
If this scenario is applicable, you should be able to fix the problem by going to the location where you installed Black Desert Online and renaming the version.dat file to something else to allow the installation. forced to compare new file.
Clear DNS cache locally in Windows
Clearing the DNS cache is a quick and easy procedure. The process is the same for almost all Windows systems. In the example below, we are using Windows 10.
To flush DNS on your Windows computer:
- Load the command prompt as administrator. Open the Start menu and enter Command Prompt until you see it in the results.
- When the command line loads, type ipconfig /flushdns and press Access on your keyboard.
- The procedure will only take a few seconds. When it's done, you should see a DNS resolver cache confirmation message:
Your computer's DNS cache database has now been deleted. You should get a correct and up-to-date IP address assignment from the DNS servers the next time your computer sends a DNS request.
Forward necessary ports
Black Desert Online uses 3 main ports on the computer that must be open for the game to interact with the game server and update your version of the game to the latest version available.
The easiest way to ensure that the 3 main ports used by the game (ports 8888, 9991 and 9993) are open and accessible is to enable UPnP. Regardless, this is only applicable if your router supports it.
Regardless, if you're using an older router model, Universal Plug and Play may not be compatible. In this circumstance, the only way to ensure that your computer can use these ports is to manually forward them through your router settings.
RECOMMENDED: Click here to fix Windows errors and get the most out of your system performance
