---
title: "GregTech New Horizons not working | Prism Launcher"
description: "Players search \"gregtech new horizons not working\" when installing or fixing GregTech New Horizons in Prism Launcher. Download Prism Launcher from /download."
canonical: https://prismlauncher.ink/modpacks/gregtech-new-horizons-not-working
updated: 2026-10-17
---

# GregTech New Horizons: not working

Players search "gregtech new horizons not working" when installing or fixing GregTech New Horizons in Prism Launcher.

## Facts (2026-10-17)

- **Pack:** GregTech New Horizons
- **Query:** not working

## GregTech New Horizons — not working

GregTech New Horizons should stay in one instance so worlds and configs do not mix with other packs.

Install from Modrinth or CurseForge inside Prism. Some CurseForge files need a browser download when the author blocked the API.

Launcher download: [/download](https://prismlauncher.ink/download).

## FAQ

### Can I install GregTech New Horizons from CurseForge and Modrinth?

Yes if the pack is listed. Prism talks to both APIs.

## Related

- [Prism Launcher Modpacks & Mod Downloader](https://prismlauncher.ink/modpacks)
- [Prism Launcher Instance Management](https://prismlauncher.ink/instances)
- [Fabulously Optimized on Prism Launcher](https://prismlauncher.ink/modpacks/fabulously-optimized)
- [Fabulously Optimized: FPS & Crash Fix Guide](https://prismlauncher.ink/modpacks/fabulously-optimized-fps-and-crash-fix)
- [All the Mods 10 (ATM10) & ATM9 on Prism Launcher](https://prismlauncher.ink/modpacks/all-the-mods-10-atm10)

## Download

Free and open source: [Download Prism Launcher](https://prismlauncher.ink/download)

Markdown mirror: https://prismlauncher.ink/modpacks/gregtech-new-horizons-not-working.md