How to fix the 83-MW1 error code in Monster Hunter: World

A quick solution to fix the 83-MW1 connectivity issue in Monster Hunter: World on PC.

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Monster Hunter: World has finally released on PC to massive success and adoption, but unfortunately it’s currently plagued with server instability and error codes. One pesky code that is disconnecting players from their online sessions is the 83-MW1 error code.

83-MW1 Error Code Fix

The solution to the 83-MW1 error code comes courtesy of Steam user, Forever_Lona. The fix – which may or may not work for all players – involves changing some settings in Steam and adding a few works to the Monster Hunter: World launch properties. As stated, though lots of users have found this to fix their problem, it is in no way guaranteed to solve all players’ problems.

  1. Open Steam
  2. Click Steam in the top left corner
  3. Select Settings
  4. Select In-Game
  5. Uncheck the middle box which states: Use the Big Picture Overlay when using a Steam Input enabled controller from the desktop

This will disable Steam’s Big Picture Overlay when using a controller while on PC and replace it with the standard Steam user interface. Next players will need to write two lines of code into the Monster Hunter: World launch options.

  1. Open Steam game library
  2. Right-click Monster Hunter: World
  3. Select Properties
  4. Click Set Launch Options…
  5. In the dialogue box, input the following, including the dashes and the space between the words: -nofriendsui -udp
  6. Click Okay
  7. Restart Steam

These two “codes” tells Monster Hunter: World how to launch. The first string tells the game not to start the new friends user interface when the game launches and the second string has to do with the various internet protocols.

Hopefully you’ll never see the 83-MW1 error code again and that this has an immediate positive effect on your ability to stay connected to the online server in Monster Hunter: World. In the event this does not fix the disconnect error, it could be worth trying to forward the Monster Hunter: World and Steam ports in your router/modem, doing a hard internet reset, connect to the router using a physical connection, or restarting everything.

Be sure to check out the Shacknews Monster Hunter: World guide and walkthrough for other helpful articles, most of which help solve in-game solutions and problems.

Guides Editor

Hailing from the land down under, Sam Chandler is relatively new to the industry, getting his start a few years ago as a writer-for-hire. After bouncing round a few universities, securing a bachelor degree, and finding his feet, he's found his new family here at Shacknews as a Guides Editor. There's nothing he loves more than crafting a guide that will help someone. If you need help with a guide, or notice something not quite right, you can Tweet him: @SamuelChandler