I found out that the Ambiance Sound stops working as soon as I start the first engine. log.txt 13:47:27 [SESSION] Start 13:47:27 [PROFILE] Active profile load started 13:47:27 [SESSION] Aircraft: Aerosoft_CRJ_900 13:47:27 [SERVER] Req api=getByAc&acmodel=Aerosoft_CRJ_900&pcid=FSRDiBlptrsj5MbwskjnDPlyxA0l6i= 13:47:27 [PROFILE] Active profile load finished C:\Users\A\Desktop\FSRealistic/Profiles/Aerosoft_CRJ_900.json 13:47:27 [PROFILE] Active profile validation started 13:47:27 [PROFILE] Loading default profile def_jet.json 13:47:27 [PROFILE] Active profile validation finished 13:47:27 [EFFECTS] Load started 13:47:27 [OPENAL] Load sound C:\Users\A\Desktop\FSRealistic/Data/Sounds/wind_5.wav 13:47:27 [EFFECTS] airframe_wind loaded successfully 13:47:27 [OPENAL] Load sound C:\Users\A\Desktop\FSRealistic/Data/Sounds/speed_brake_auto_deploy.wav 13:47:27 [EFFECTS] auto_speed_brake loaded successfully 13:47:27 [OPENAL] Load sound C:\Users\A\Desktop\FSRealistic/Data/Sounds/blade_slapping_1.wav 13:47:27 [EFFECTS] blade_slapping loaded successfully 13:47:27 [OPENAL] Load sound C:\Users\A\Desktop\FSRealistic/Data/Sounds/brake_2.wav 13:47:27 [EFFECTS] brakes loaded successfully 13:47:27 [OPENAL] Load sound C:\Users\A\Desktop\FSRealistic/Data/Sounds/big_cabin_ambiance_3.wav 13:47:27 [OPENAL] Load sound C:\Users\A\Desktop\FSRealistic/Data/Sounds/small_cabin_ambiance_5.wav 13:47:27 [EFFECTS] cabin_ambiance loaded successfully 13:47:27 [OPENAL] Load sound C:\Users\A\Desktop\FSRealistic/Data/Sounds/clear_prop_2.wav 13:47:27 [OPENAL] Load sound C:\Users\A\Desktop\FSRealistic/Data/Sounds/clear_prop_female_1.wav 13:47:27 [EFFECTS] clear_prop loaded successfully 13:47:27 [OPENAL] Load sound C:\Users\A\Desktop\FSRealistic/Data/Sounds/cockpit_1.wav 13:47:27 [OPENAL] Load sound C:\Users\A\Desktop\FSRealistic/Data/Sounds/calm_cockpit_3.wav 13:47:28 [EFFECTS] cockpit_ambient loaded successfully 13:47:28 [OPENAL] Load sound C:\Users\A\Desktop\FSRealistic/Data/Sounds/scream_2.wav 13:47:28 [EFFECTS] crashing loaded successfully 13:47:28 [OPENAL] Load sound C:\Users\A\Desktop\FSRealistic/Data/Sounds/engine_movements_5.wav 13:47:28 [EFFECTS] engine_startup loaded successfully 13:47:28 [EFFECTS] engine_vibrations loaded successfully 13:47:28 [OPENAL] Load sound C:\Users\A\Desktop\FSRealistic/Data/Sounds/rumble_6.wav 13:47:28 [EFFECTS] flaps_drag loaded successfully 13:47:28 [OPENAL] Load sound C:\Users\A\Desktop\FSRealistic/Data/Sounds/flaps_1.wav 13:47:28 [EFFECTS] flaps_lever loaded successfully 13:47:28 [OPENAL] Load sound C:\Users\A\Desktop\FSRealistic/Data/Sounds/shakings_13.wav 13:47:28 [EFFECTS] flaps_stress loaded successfully 13:47:28 [OPENAL] Load sound C:\Users\A\Desktop\FSRealistic/Data/Sounds/floats_splash_1.wav 13:47:28 [EFFECTS] floats_splash loaded successfully 13:47:28 [OPENAL] Load sound C:\Users\A\Desktop\FSRealistic/Data/Sounds/rumble_7.wav 13:47:28 [EFFECTS] gear_drag loaded successfully 13:47:28 [OPENAL] Load sound C:\Users\A\Desktop\FSRealistic/Data/Sounds/wind_6.wav 13:47:28 [EFFECTS] ground_effect loaded successfully 13:47:28 [OPENAL] Load sound C:\Users\A\Desktop\FSRealistic/Data/Sounds/ground_roll_slow_1.wav 13:47:28 [OPENAL] Load sound C:\Users\A\Desktop\FSRealistic/Data/Sounds/ground_roll_fast_1.wav 13:47:28 [EFFECTS] ground_roll loaded successfully 13:47:28 [OPENAL] Load sound C:\Users\A\Desktop\FSRealistic/Data/Sounds/claps_5.wav 13:47:28 [OPENAL] Load sound C:\Users\A\Desktop\FSRealistic/Data/Sounds/good_landing_2.wav 13:47:28 [OPENAL] Load sound C:\Users\A\Desktop\FSRealistic/Data/Sounds/bad_landing_11.wav 13:47:28 [EFFECTS] landing_claps loaded successfully 13:47:28 [OPENAL] Load sound C:\Users\A\Desktop\FSRealistic/Data/Sounds/breathing_4.wav 13:47:28 [EFFECTS] over_g loaded successfully 13:47:28 [OPENAL] Load sound C:\Users\A\Desktop\FSRealistic/Data/Sounds/shakings_1.wav 13:47:28 [EFFECTS] overspeed loaded successfully 13:47:28 [OPENAL] Load sound C:\Users\A\Desktop\FSRealistic/Data/Sounds/reverse_thrust_3.wav 13:47:28 [EFFECTS] reverse_thrust loaded successfully 13:47:28 [OPENAL] Load sound C:\Users\A\Desktop\FSRealistic/Data/Sounds/sneeze_2.wav 13:47:28 [EFFECTS] sneezing loaded successfully 13:47:28 [OPENAL] Load sound C:\Users\A\Desktop\FSRealistic/Data/Sounds/shakings_1.wav 13:47:28 [EFFECTS] speed_brake_drag loaded successfully 13:47:28 [OPENAL] Load sound C:\Users\A\Desktop\FSRealistic/Data/Sounds/shakings_1.wav 13:47:28 [EFFECTS] stall_buffet loaded successfully 13:47:28 [OPENAL] Load sound C:\Users\A\Desktop\FSRealistic/Data/Sounds/stick_shaker_1.wav 13:47:28 [EFFECTS] stick_shaker loaded successfully 13:47:28 [OPENAL] Load sound C:\Users\A\Desktop\FSRealistic/Data/Sounds/toilet_flush_3.wav 13:47:28 [EFFECTS] toilet_flush loaded successfully 13:47:28 [OPENAL] Load sound C:\Users\A\Desktop\FSRealistic/Data/Sounds/touchdown_2.wav 13:47:28 [OPENAL] Load sound C:\Users\A\Desktop\FSRealistic/Data/Sounds/touchdown_water_1.wav 13:47:28 [EFFECTS] touchdown_main loaded successfully 13:47:28 [OPENAL] Load sound C:\Users\A\Desktop\FSRealistic/Data/Sounds/shakings_1.wav 13:47:28 [EFFECTS] turbulence_shakings loaded successfully 13:47:28 [OPENAL] Load sound C:\Users\A\Desktop\FSRealistic/Data/Sounds/wheel_well_1.wav 13:47:28 [EFFECTS] wheel_well loaded successfully 13:47:28 [OPENAL] Load sound C:\Users\A\Desktop\FSRealistic/Data/Sounds/outside_wind_2.wav 13:47:28 [EFFECTS] wind_ambient loaded successfully 13:47:28 [OPENAL] Load sound C:\Users\A\Desktop\FSRealistic/Data/Sounds/wind_4.wav 13:47:28 [EFFECTS] windshield_wind loaded successfully 13:47:28 [EFFECTS] load finished 13:47:28 [SERVER] Res Blue2hark#CRJ900 réaliste#391#5.0#887#false^Th3perfecton3#CRJ9#64#5.0#897#false^Shiba 320#best crj 900 settings#29#N/A#942#false^Cptcanada Crj#N/A#17#N/A#984#false^Crj900 Real#N/A#7#N/A#1076#false^Craigg#Crj900 Added Sounds#6#5.0#1064#false^Crj 900 Fr#N/A#5#N/A#1070#false^Mmaliniak#N/A#4#N/A#901#false^Rbringh#First Try...lol#2#N/A#1041#false^Crj Run#N/A#2#N/A#1185#false 13:50:03 [UICORDINATOR] cabin_ambiance toggled off 13:50:04 [UICORDINATOR] cabin_ambiance toggled on 13:51:23 [SESSION] Reset 13:51:23 [OPENAL] Unload sources and buffers 13:51:23 [GENERAL] Exit