World of Warcraft is one of the most popular multiplayer games that millions of gamers around the world enjoy. This belongs to the role-playing game category or RPG in short, with complex firmware behind it. 

Now, because of this complex firmware and for other reasons there are some technical glitches that you might face. You might note that the gameplay experience is going to go down completely. 

The WOW51900319 issue happens to be one of these and if you are facing this while playing World of Warcraft, then do not worry at all. With the instructions that we have given here in this article, you will be able to fix that issue in no time. Further, you will be able to get back to playing the game once again. 

Along with the solutions to the WOW error 51900319, we are also going to discuss certain other related things. And all of that is going to make the fixing process much easier.  

Reasons you might be Facing the WOW51900319 Error 

In this section, we are going to discuss the possible reasons why you might be facing this problem. As if you have a good understanding of this, you will be getting 2 serious advantages. 

The first is that you can avoid a lot of adverse technical issues that you might have caused accidentally. Second, you will find the instructions in the solution section, a lot easier to understand and implement. These are pretty technical and can be difficult to understand for a lot of people. 

• To point out the first reason for this issue, we must point to the internet connection that you are using. As this is a resource-intensive multiplayer game, anything other than a seamless internet connection will cause issues. 
• After that, we have the general issue of out of date device drivers which can cause this same problem. Due to the complexity of the games, there are a lot of device drivers that work with this. Thus this reason might be a lot more likely than you might think. 
• Next, if you have customized the user interface of World of Warcraft to an extreme extent that can cause this problem by means of a lot of clutter. 
• Sometimes, the frame settings of the background can be a very viable reason for this problem. Especially if you prefer using the highest possible settings that are available, which happens to be 60 FPS. 
• Finally, since this is a multiplayer game and there are a lot of users within the game network, the system is going to be very much exposed to malware attacks, which will cause this problem. 

So, here you have the primary reasons for the WOW disconnect 51900319 issue. 

How to Troubleshoot the WOW51900319 Error: 5 Techniques 

Now, after discussing the possible causes of the error WOW51900319 with your World of Warcraft game account, let us now have a look into the 5 different ways to fix the problem. 

If you can identify what the exact issue is in your case, you can go and apply the solution for it straight away. But if you do not have that information, then the best course of action would be to apply the steps one after the other and fix the problem. 

Simplify the User Interface 

First, let us start by decluttering the user interface of World of Warcraft to fix this problem. Follow the steps in this section to do that. 

• Close the World of Warcraft if you are using it, and make sure to remove the addon managers if any. 

• Now, go to Battle.net and look for the Options section and click on it. Click on the Show in Explorer option to expand it after that. 

• Leave the Blizzard.net website and in the pop-up windows find the World of Warcraft folder. Click on it and open it up from there. 

• Look for the game version that is having the connection issue ( _retail_ or _classic_ ) option. Click on it as you find it. 

• Change the names of the Interface, Cache, and WTF folders to InterfaceOld, CacheOld, and WTFOld. 

• Launch the Blizzard.net website and the game to check if the issue is still there. 

This is very likely going to fix up the problem we are discussing. But if not, then go and apply the next step from this list. 

Get the Latest Drivers for the Network 

Updating the network drivers might just be the solution you are going to need to fix the issue. Check out the following steps and apply them to update the driver. 

• On the Windows home screen search panel, type in ‘device manager’. And from the list of results that come up click on the Device Manager option to open it up. 

• Look for the names of the different devices under the Network category. As you find the same for World of Warcraft, right-click on it and then click on the Update option. 

• Next, choose the Search automatically for updated driver software option. This is if you do not have the update files in your hard drive. 

• Wait as the application finds out the necessary update files, and as it does, click on the Update Driver option. 

Now, all you have to do is wait until the process of update is complete. And then just restart your computer and start playing the game again. 

Dial Down the FPS Setting 

If you are using the Max Background FPS setting, and your computer is not being able to process that, then you might face the WOW51900319 error message because of it. 

To fix that, you will have to turn that down to 30 FPS, and that will fix the problem. Here is how to do that. 

• With the World of Warcraft interface open, find the System option and click on it to expand. You will be in the settings section as you do this. 

• Click on the Advanced tab in that window, and inside it, you are going to find the FPS setting option. 

• Use the slider to change the setting from Max Background FPS to 30 FPS. 

• Click on the Okay button to save the changes in the settings that you have made. 

As you have done all of this, open the game and check if it working free of the error. 

Flush the DNS 

The DNS can also be the thing that is causing this particular problem and the proper fix for that would be to flush it. Following are all the steps that will help you do just that. 

• Click on the Windows icon on the bottom-left of your home screen. And in the search panel there, type in cmd. 

• A list of results will come up, and from that right-click on the Command Prompt option. In the dropdown that comes up, select the Run as administrator option. 

• You will get a prompt for permission, where you will have to click on the Yes button to proceed. 

• Now the Command Prompt window is going to come up. Type the ipconfig /flushdns command in it, and press the Enter key. 

This is going to initiate the process of flushing the DNS, for which you will have to wait for completion. As it does, restart your computer system and check if the issue has been fixed. 

Reset the Winsock Application 

This particular application from Windows does the job of handling all the data for programs like this. But any misconfiguration in the settings of Winsock can create the WOW51900319 error. 

The ideal fix to this would be to revert all the settings back to the default. Here is how you can do that. 

• Click on the Windows icon on the home screen, and then type in cmd. Press the Enter key after that to bring up the list of results. 

• Look for the Command Prompt option from that list, and right-click on it as you find it. 

• From the dropdown list, select the Run as Administrator option, and then confirm it as you get the prompt. 

• As the Command Prompt window comes up, type in netsh winsock reset and press the Enter key. 

• Wait for a couple of minutes and then restart your computer system. 

Now, you can launch World of Warcraft to check whether you are still viewing the error message. 

Conclusion 

So, here you have the 5 solutions that will help you overcome the WOW51900319 issue. But if these did not work for any reason, then that might indicate some other problem. Any questions that you might have regarding that, you can post in the comments section. Further, if you want instructional articles similar to this one, you can find that on our website.