Error FH101 occurs when launching Forza Horizon 3

You get the following error code when you try to launch Forza Horizon 3:

FH101

This means that your system CPU doesn't meet the requirements to run the game. Forza Horizon 3 requires a CPU with a minimum of four logical cores. This can either be four physical cores or two hyper-threaded physical cores.

To resolve this problem, upgrade your system's CPU or use a computer with a CPU that meets the minimum requirements, and then try downloading and launching the game again.

Examples of supported CPUs:

• Intel Core i7-6700
• Intel Core i7-3820
• Intel Core i5-6600k
• Intel Core i3-4170
• AMD FX-8320
• AMD FX-6300