This is a specific issue for Xbox Game Pass users. Games installed via the Windows Store are often encrypted or "containerized" (UWP apps). Standard trainers designed for Steam or GOG versions often cannot read the memory of Windows Store games.
Never use Fling Trainers in online multiplayer games. Even if you are in "single-player mode," many games (like Elden Ring, Dark Souls, or GTA V) have background anti-cheat software (EAC, BattlEye, Denuvo). Using a trainer can trigger a permanent hardware ban. Only use these tools in strictly offline, single-player experiences.
Summary Checklist:
If you follow these steps, you should hear that satisfying "Trainer Activated" voice in no time. fling trainer game not detected
Possible short text you can use (e.g., for a forum post or support request):
Title: Fling Trainer — "Game not detected" error
Body: I'm running Fling Trainer but it won't detect the game. I get a "Game not detected" message even though the game is open. I've tried restarting both the trainer and the game, running the trainer as administrator, and disabling antivirus, but the trainer still can't find the process. My system is Windows 10, game version X.Y.Z, trainer version A.B.C, and I launched the game from Steam (or from a shortcut). Any suggestions on what else to try or known compatibility issues? This is a specific issue for Xbox Game Pass users
You can copy and paste and edit the version/location details as needed.
There are few things more frustrating than getting ready to dominate a single-player campaign with unlimited health or stamina, only to be met with the dreaded "Game not detected" error in your Fling trainer.
You’ve launched the game, you’ve launched the trainer, but the two simply refuse to talk to each other. Before you throw your mouse across the room, take a deep breath. This is one of the most common issues in the modding community, and it is almost always fixable. Summary Checklist:
In this guide, we’ll walk you through the top reasons why Fling trainers fail to detect your game and how to solve them step-by-step.
If the game updated today and the trainer hasn't been patched, you have two choices: