This is normal. Some game XEX files require a matching TU. Either download the correct TU or, if you are launching a disc-based game, insert the original disc.
When you perform an RGH or JTAG mod, the console boots to the stock Microsoft Dashboard (NXE or Metro). The stock dashboard cannot launch unsigned code (homebrew). You need a way to launch your first homebrew application. Xexmenu 1.1 Xbox 360
Use the official Xbox 360 Dashboard's storage settings to move the "Demo" (which is actually XeXMenu) from the USB to the console's internal HDD. Execution: The app will then appear under the "My Games" tab as a playable demo. Safety Note: This is normal
It provides a user-friendly interface to manage files across various storage devices, including the hard drive, USB sticks, and onboard memory units. When you perform an RGH or JTAG mod,
Use a tool like Horizon or simply copy the folder to the correct path on your USB: Content\0000000000000000\C0DE9999\00080000\ . Transfer: Plug the USB into your Xbox 360.