Hi @stonegate, great! Thanks for the update and glad to hear you managed to find a workaround, hopefully the team at Thrustmaster will be able to release a fix soon.
By the way, I found this link that perhaps might be relevant to your situation where it’s a specific button assigned to Disord Chat @ https://www.reddit.com/r/EliteDangerous/comments/6b41rx/windows_not_going_to_sleep_with_joystick_i/