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How to Fix “Lost connection due to an error” in Roblox

Are you getting a “Lost connection due to an error” message in Roblox?

Here’s the second part of the error, “(Error code: 272)” and you’re given an option to leave.

This happens when you try to join a Roblox experience.

If you select “Leave” and try to launch the experience again, you might encounter the same error.

In this guide, you’ll learn how to fix “Disconnected” followed by “Lost connection due to an error” in Roblox (Byfron update)

Why did I lose connection due to an error in Roblox?

You lost connection due to an error in Roblox because you have a Chrome extension preventing the experience from launching.

It can also be caused if you are running an exploit, mod, or Roblox in 32-bit.

After the Byfron update, Roblox is able to detect exploits, mods, and extensions more effectively.

Becuase of this, you cannot join an experience if you’re running one or more of them.

How to fix “Lost connection due to an error” in Roblox

To fix “Lost connection due to an error” in Roblox, you need to remove unwanted Chrome extensions.

You also need to uninstall mods, and exploits, and run the game in 64-bit instead of 32-bit.

Exploits like Synapse X and Krnl will no longer work after the Byfron update.

Similarly, certain Chrome extensions that alter the Roblox experience may no longer work.

Fix 1: Remove unwanted Chrome extensions

  1. On Chrome, click on the puzzle icon.
  2. Select “Manage extensions”.
  3. Remove unwanted extensions (e.g., tampermonkey, violentmonkey).

Fix 2: Uninstall exploits and mods

  • Uninstall all exploits and mods for Roblox on your computer.
  • Examples of exploits and mods are Krnl and Synapse X.

Fix 3: Uninstall Roblox and install it from the Microsoft Store

  1. Search for “Control Panel” using Windows Search.
  2. Uninstall a program > right-click Roblox > Uninstall.
  3. Open the Microsoft Store app and install Roblox.
  4. Launch Roblox, log in to your account, and play a game.

Further reading

How to Play Roblox on Windows 7

How to Fix “Your Windows 7 system is too outdated. Please install KB4534310” in Roblox

How to Fix Error Code 272 in Roblox


About the author

Lim How Wei

Lim How Wei is the founder of followchain.org, with 8+ years of experience in Social Media Marketing and 4+ years of experience as an active investor in stocks and cryptocurrencies. He has researched, tested, and written thousands of articles ranging from social media platforms to messaging apps.

Lim has been quoted and referenced by major publications and media companies like WikiHow, Fast Company, HuffPost, Vice, New York Post, The Conversation, and many others. One of his articles about the gig economy was quoted by Joe Rogan who hosts The Joe Rogan Experience (arguably the most popular podcast in the world), in the This Past Weekend podcast by Theo Von.

In his free time, Lim plays multiple games like Genshin Impact, League of Legends, Counter-Strike, Hearthstone, RuneScape, and many others. He creates guides, walkthroughs, solutions, and more on games that he plays to help other players with their progression.