How to Fix World Of Warcraft Error Code 51900101

World of Warcraft is an iconic game that has captivated millions of gamers worldwide. However, as with any game, it is not immune to errors. One of the most frustrating error codes is the 51900101 error code, which can occur when you try to log in to the game. Many players have reported encountering this error, but fortunately, there is a solution. In this blog post, we will discuss how you can fix the error code 51900101 in World of Warcraft.

The most common solution to this error code is deleting the cache folder. However, before you do this, there are some precautions you should take.

It is important to save your preferences before deleting the cache folder. This is because the Cache folder contains in-game data, and deleting it will also delete your game settings. Additionally, you may want to consider disabling your antivirus and firewall temporarily, as they may interfere with the deletion process.

It is important to note that deleting the cache folder will delete in-game data, such as add-ons, macros, and other settings. If you have any important data in the cache folder, make sure to back it up before deleting it.

To delete the WoW cache folder, follow these steps:

After deleting the cache folder, relaunch the game. The Cache file will be automatically created again, and your game settings will be reset to their default values. When you log in to the game again, the error code 51900101 should be fixed.