Error AP204 occurs when you try to launch Forza Motorsport 6: Apex on Windows 10

You get the following error code when you try to launch Forza Motorsport 6: Apex:

AP204

This means that Forza Motorsport 6: Apex has detected an unsupported graphics processing unit (GPU). A GPU with tiled Resources Tier 1 is required to run this game. Some older cards may support DirectX 12 but not the features required to run this title.

To resolve this issue, you'll need to upgrade your GPU card. To check what kind of card you have, follow these steps:

1. Go to Start, select Settings, and then select System.
2. On the Display tab, scroll to the bottom and select Advanced display settings.
3. Scroll to the bottom and select Display adapter properties. "Adapter Type" will display the name of the GPU, and "Dedicated Memory" will display the adapter type.

   Examples of supported GPUs:

• NVIDIA 980ti
• NVIDIA 970
• GeForce GT 740
• Radeon R9 290X
• Radeon R7 250X