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How to Fix World of Warcraft error BLZ51903006

I wish the BattleNet had a Dinosaur Game.
Image of Luka Rakočević
Luka Rakočević
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Published: May 11, 2023 05:25 am

I absolutely hate getting disconnected when playing World of Warcraft. Recently I keep getting disconnected Error message BLZ51903006, which many of my friends confirmed, signifying a broader problem. Being a seasoned WoW player, this isn't the first time I encountered this error, and it's back with a vengeance. If you're experiencing this code, have no worries, we will help you fix it!

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How to resolve BLZ51903006 Error code in World of Warcraft – Explained

There are three potential fixes to resolve the BLZ51903006 error code in World of Warcraft, ranging from the quickest one, and they are the following:

  • Run the game from the WoW directory
  •  Delete Blizzard cache
  •  Delete Battle.net folder

Run the World of Warcraft directly from the directory

Several players reported that running the World of Warcraft directly from the game's installation directory will fix the BLZ51903006 error code for them. Follow the steps below:

  • Open your BattleNet launcher.
  •  Press the Cog icon to access settings.
  •  Click Show in Explorer from the drop menu to open the game directory.
  •  Double-click on the World of Warcraft executable (.exe) file to run the game.

Related: How to get Everburning Keys in WoW Dragonflight

Delete the Blizzard cache

If the above method doesn't work, you can delete the Blizzard cache. To do that, follow the steps below:

  • Press Win + R to open the Run function in Windows.
  •  Type out %ProgramData% in the window.
  •  Press Enter to confirm.
  •  Find the Blizzard Entertainment folder and double-click it.
  •  Locate the Cache folder and delete it.

Delete Battle.net folder

If the previous two methods didn't bear fruit, you can access the ProgramData folder and delete the Battle.net folder. You should find it right above the Blizzard Entertainment folder. I found this the working method the last time I had this problem. If all else fails, be sure to check the status of World of Warcraft servers, and be sure to troubleshoot your internet connection as well, and eliminate the possibility of the problem potentially being on your end.

Are you looking for more World of Warcraft guides to help you out? Look no further; you're in the right place! Check out How to open the Molten Hoard chest in WoW Dragonflight and All WoW Dragonflight Season 2 Dungeons here on Pro Game Guides!

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Author
Image of Luka Rakočević
Luka Rakočević
Luka Rakocevic works as a full-time staff writer at Pro Game Guides and is a new-generation gamer. Backed with old-school gaming knowledge, his oldest gaming memories are on SNES, trying to beat Super Mario. Games are his big inspiration, and he frequently draws from that well to create new art. He prefers narrative-driven games like God of War, Killzone, Half-life, Uncharted and similar. Luka mainly writes science fiction in his free time. When he's not home banging away at his computer keyboard, you will most likely find him at a local pub or a metal concert in the middle of a mosh pit.
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