What Causes the “Error 51900309” Error on WoW?
We found the underlying causes to be:
Solution 1: Restarting the Launcher
In most cases, the launcher might have been glitched due to which the error is being triggered. Therefore, in this step, we will first be closing the launcher completely from the Task Manager and then we will be Re-Launching it and starting the game in an attempt to fix the issue. For that:
Solution 2: Changing Config
A user discovered a workaround in which editing the config file for the game allowed the users to select and enter a realm. Therefore, in this step, we will be editing the config. For that: Note: If you still can’t seem to fix the issue, try to contact the customer support and check if they can find a solution to your problem.
