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- Download and install the repair tool here.
- Let it scan your computer.
- The tool will then repair your computer.
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 is allowed to pass 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 error code 12009 while trying to download the new patch for Black Desert Online, the problem is most likely due to the installer still relying on the old version.dat file. when checking the current file, the version is compared with the version that was installed.
If this scenario is applicable, you should be able to resolve the issue by going to the location where you installed Black Desert Online and changing the name of the version.dat file to something else to allow the installation. forced to compare new file.
Clear DNS cache locally on Windows
Clearing the DNS cache is a quick and easy process. The procedure is the same for almost all Windows systems. In the following example, we are using Windows 10.
To flush DNS on your Windows computer:
- Load Command Prompt as administrator. Open the Start Menu and enter Command Prompt until you see it in the results.
- When the command line is loaded, type ipconfig / flushdns and press Enter on your keyboard.
- The process will only take a few seconds. When done, you should see a DNS resolver cache confirmation message:
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Your computer’s DNS cache database has now been deleted. You should get correct and updated IP address mapping from the DNS servers the next time your computer sends a DNS request.
Forward the required ports
Black Desert Online uses 3 main ports on the PC that must be open in order for the game to interact with the game server and update your version of the game to the latest available version.
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. However, this is only applicable if your router supports it.
However, if you are using an older router model, Universal Plug and Play may not be supported. In this case, the only way to ensure that your computer is allowed to use these ports is to manually forward them through your router settings.
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