Network Protocol Error
This mod was created to mitigate frequent disconnects on unstable or misbehaving servers, making it especially useful in those environments
⬇ Download on Modrinth"Network Protocol Error" is a disconnection message that you get when the Minecraft: Java Edition client receives malformed or unexpected network packets and forcibly disconnects. This mod was created to mitigate frequent disconnects on unstable or misbehaving servers, making it especially useful in those environments.
While this mod helps with the annoyance of repeated disconnections, it should be used at your own risk. Preventing disconnects may lead to unexpected behavior or minor bugs, so caution is advised.
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.11
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on Modrinth — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
- Ships as network-protocol-error-1.0.0-stable+mc1.21.11.jar — drop this file into the mods folder
- Download size: 7 KB
- Download link checked 31 Aug 2026 — working
These come from our own check of the pack file, not from the source page.