CTD = crash to desktop. MSFS just suddenly disappeared and back to the desktop automatically.
The firs time it was going well, songs play and the Robotech flied. But after exited the MSFS and restarted the game, I saw the dialogue box of the game was not exit normally choose safe mode or normal mode, I chose the normal mode, and the game CTD in the World map with any aircraft, not necessarily the Robotech.
Since then, 10 out of 10 times CTD happened even after rebooting the PC.
But after the songs had been removed, everything got back to normal and the MSFS never crashed.