Published May 15, 2026, 10:48 AM EDT PC players must download an update Image: Playground Games/Xbox Game Studios If you're encountering the invalid gaming services error when trying to play Forza Horizon 6 on Windows PC, don't worry: you're not the only one, and there's an easy fix. This error is showing up for plenty of people playing on PC, no matter whether they're playing through Steam or the Xbox app, and it's a new one that hasn't shown up in many games before. Here's a step-by-step guide on how to fix the invalid gaming services error for Forza Horizon 6 and ensure your software is fully up-to-date. How to update gaming services for Forza Horizon 6 on PC Image: Microsoft via Polygon All you need to do is ensure your "Gaming Services" is fully updated. Here's what you need to do: Search for the Microsoft Store in your taskbar and open it. Click "Downloads" in the bottom left corner. Click "Check for updates" in the top right corner. Find "Gaming Services" in the list and click the "update" button.…