Hi I have recently discovered a sound problem. I have no idea what has caused it as I have recently been on an add-on purchasing frenzy.What happens is if I use the inbuilt ATC as soon as either I or a virtual aircraft accesses the ATC (i.e any message) my sounds drop to an almost inaudible level. They don't disappear completely, however it is very annoying. The only way I can restore the sound back to it's original level is to access the ATC menu. I use the ~ (tilde) key for that, then get back out of the menu using the ~ key again, then press Q to turn off all sounds, press Q again to turn the sounds back on and it works normally again (until a virtual aircraft makes an ATC request) If I fly without accessing the ATC menu at all then I have no problem.As you can imagine this is a real pain.I'm wondering if it isn't in the FSX.cfg folder then what will happen if I try reinstalling SP1 and SP2 or going the whole hog and using my original FSX disc and do a repair. Will this then wipe all my purchased add-ons?Any ideas would be greatly appreciated.Here is my FSX.cfg just in case anyone can find a problem there.

 [SOUND]AmbientUIMusicVolume=-6.000000SOUND_FADER1=0.850000SOUND_FADER2=0.500000SOUND_FADER3=0.500000SOUND_FADER4=0.500000AmbientUIMusic=FSX04SOUND=1SOUND_QUALITY=2SOUND_LOD=0UISound=1AmbientUI=1PrimaryDevice={DEF00000-9C6D-47ED-AAF1-4DDA8F2B5C03}VoiceDevice={DEF00002-9C6D-47ED-AAF1-4DDA8F2B5C03}[Display]ChangeTime=4.000000TransitionTime=4.000000ActiveWindowTitleTextColor=255,255,255ActiveWindowTitleBackGroundColor=0,28,140,64NonActiveWindowTitleTextColor=255,255,255NonActiveWindowTitleBackGroundColor=24,33,87,64InfoUpperRightTextColor=255,0,0InfoUpperRightBackGroundColor=0,0,0,0InfoLowerLeftTextColor=255,255,255InfoLowerLeftBackGroundColor=255,0,0,128InfoLowerRightTextColor=255,255,255InfoLowerRightBackGroundColor=255,0,0,128InfoBrakesEnable=TrueInfoParkingBrakesEnable=TrueInfoPauseEnable=TrueInfoSlewEnable=TrueInfoStallEnable=TrueInfoOverspeedEnable=TrueBLOOM_EFFECTS=1SKINNED_ANIMATIONS=1TEXTURE_BANDWIDTH_MULT=40UPPER_FRAMERATE_LIMIT=25WideViewAspect=False[JOBSCHEDULER]AffinityMask=64[Main]User Objects=Airplane, HelicopterSimObjectPaths.0=SimObjects\AirplanesSimObjectPaths.1=SimObjects\RotorcraftSimObjectPaths.2=SimObjects\GroundVehiclesSimObjectPaths.3=SimObjects\BoatsSimObjectPaths.4=SimObjects\AnimalsSimObjectPaths.5=SimObjects\MiscMaximized=2Location=440,190,1480,968,\\.\DISPLAY1HideMenuNormal=0HideMenuFullscreen=1ProcSpeed=8710PerfBucket=7SimObjectPaths.6=MyTraffic\aircraft[PANELS]IMAGE_QUALITY=1DEFAULT_VIEW=0QUICKTIPS=1PANEL_OPACITY=100PANEL_MASKING=1PANEL_STRETCHING=1UNITS_OF_MEASURE=1[Weather]WindshieldPrecipitationEffects=1MinGustTime=10MaxGustTime=500MinGustRampSpeed=1MaxGustRampSpeed=200MinVarTime=5MaxVarTime=50MinVarRampSpeed=10MaxVarRampSpeed=75TurbulenceScale=1.000000WeatherServerAddress=fs2k.zone.comWeatherServerPort=80WeatherGraphDataInDialog=0AdjustForMagVarInDialog=1DynamicWeather=2DownloadWindsAloft=1DisableTurbulence=0CLOUD_DRAW_DISTANCE=7DETAILED_CLOUDS=1CLOUD_COVERAGE_DENSITY=8THERMAL_VISUALS=0[DISPLAY.Device.ATI Radeon HD 5800 Series.0]Mode=1920x1200x32Anisotropic=1[CONTROLS]Controls_Default=StandardControls_Current=Standardforce_master_gain=10000force_stick_force_enabled=1force_stick_shaker_enabled=1force_gear_bump_enabled=1force_crash_enabled=1force_ground_bumps_enabled=0KBDAIL=64KBDELEV=64KBDRUD=27[TextInfo.1]Latitude=1,1Longitude=1,2Altitude=1,3Heading=1,4AirSpeed=1,5WindDirectionAndSpeed=1,6[TextInfo.2]FrameRate=1,1LockedFrameRate=1,2GForce=1,3FuelPercentage=1,4[TextInfo.3]Latitude=1,1Longitude=1,2Altitude=1,3Heading=1,4AirSpeed=1,5WindDirectionAndSpeed=1,6FrameRate=2,1LockedFrameRate=2,2GForce=2,3FuelPercentage=2,4[SlewTextInfo.1]Latitude=1,1Longitude=1,2Altitude=1,3Heading=1,4AirSpeed=1,5[SlewTextInfo.2]FrameRate=1,1LockedFrameRate=1,2[SlewTextInfo.3]Latitude=1,1Longitude=1,2Altitude=1,3Heading=1,4AirSpeed=1,5FrameRate=2,1LockedFrameRate=2,2[DynamicHeadMovement]LonAccelOnHeadLon=-0.020000LonAccelOnHeadPitch=-0.010000RollAccelOnHeadLat=0.010000YawAccelOnHeadLat=-0.100000RollAccelOnHeadRoll=0.100000MaxHeadAngle=5.000000MaxHeadOffset=0.300000HeadMoveTimeConstant=1.000000[VirtualCopilot]VirtualCopilotActive=0[GRAPHICS]ALLOW_SHADER_30=1SHADER_CACHE_VERSION=9872430SHADER_CACHE_PRIMED=1693458478TEXTURE_MAX_LOAD=1024NUM_LIGHTS=8AIRCRAFT_SHADOWS=1AIRCRAFT_REFLECTIONS=1COCKPIT_HIGH_LOD=1LANDING_LIGHTS=1AC_SELF_SHADOW=1EFFECTS_QUALITY=2GROUND_SHADOWS=0TEXTURE_QUALITY=3IMAGE_QUALITY=0See_Self=1Text_Scroll=1SHADER_CACHE_PRIMED_10=1693458478D3D10=0[USERINTERFACE]ShowAllACPaintSchemes=1SelectAircraftManufacturer=AllSelectAircraftPublisher=AllSelectAircraftType=AllPageID=1OpenATCOnCreate=0SHOW_MISSION_CAPTIONS=0PAUSE_ON_LOST_FOCUS=1PROMPT_ON_EXIT=1SITUATION=FLIGHTS\OTHER\FLTSIMMap_Orientation=2DisplayFuelAsWeight=1[ATC]ShowATCText=1COMM_MSG_NONE_COLOR=FFFFFFFFCOMM_MSG_ATC_USER_COLOR=FFB6FFB6COMM_MSG_USER_ATC_COLOR=FFFFD21BCOMM_MSG_ATC_AI_COLOR=FF00FF00COMM_MSG_AI_ATC_COLOR=FFFF7840AutoOpenAirTrafficWindow=1UsePilotVoice=1PilotVoice=0[PointOfInterestSystem]CycleSetting=0[SCENERY]LENSFLARE=1DAWN_DUSK_SMOOTHING=1IMAGE_COMPLEXITY=5[TrafficManager]AirlineDensity=62GADensity=77FreewayDensity=20ShipsAndFerriesDensity=40LeisureBoatsDensity=0IFROnly=0AIRPORT_SCENERY_DENSITY=3[TERRAIN]LOD_RADIUS=4.500000MESH_COMPLEXITY=91MESH_RESOLUTION=23TEXTURE_RESOLUTION=28AUTOGEN_DENSITY=2DETAIL_TEXTURE=1WATER_EFFECTS=6[AContain]ShowLabels=1ShowUserLabel=0ShowLabelManufacturer=1ShowLabelModel=1ShowLabelTailNumber=0ShowLabelDistance=1ShowLabelAltitude=1ShowLabelAirline=0ShowLabelAirlineAndFlightNumber=0ShowLabelFlightPlan=0ShowLabelContainerId=0ShowLabelAirspeed=0ShowLabelHeading=0LabelDelay=1000LabelColor=FFFF0000[INTERNATIONAL]ASLAT=3ASLON=0MEASURE=1[REALISM]PFactor=1.000000Torque=1.000000GyroEffect=1.000000CrashTolerance=0.990000General=1.000000UnlimitedFuel=FalseTrueAirspeed=FalseAutoCoord=FalseRealMixture=TrueStressDamage=TrueGEffect=TrueManualLights=TrueGyroDrift=FalseCrashWithDyn=FalseCrashDetection=TrueAutoTrim=False[SIM]SYSCLOCK=1[STARTUP]DEMO=0SHOW_OPENING_SCREEN=1STARTUP_DEMO=LoadWindow=1[FACILITIES]COUNTRY=STATE=CITY=GTL_BUTTON=1324[Misc]Com_Rate=7[Trusted]C:\Program 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X\GAUGES\737-400.DLL.qkihuhurlholwouciezzioihnlebtqqtlqhibebu=2C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\GAUGES\Cessna.DLL.etqacekhucawhqktkkrlioqzwrbqqbehhqqztrkk=2C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\GAUGES\Cessna182s.DLL.qinwawcetqbciabrnzwlckknbnkcbettaelawtwa=2C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\GAUGES\CessnaWAlpha.DLL.urnabtrberohhankinbzlktbrzaeeitklrrqznak=2C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\GAUGES\Captain_Sim.c130.sound.GAU.lqwzkhnonwnulektrtiinaaqeqtebonbzrkwcubr=2C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\SimObjects\Airplanes\CS_C130\panel\Captain_Sim.c130.main.GAU.aiqtwurqkznnhonnhwcawtabctkwnzceocellhow=2C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\SimObjects\Airplanes\CS_C130\panel\Captain_Sim.c130.electric.GAU.qcuitknccnanihahrhteqeltkaakiwcwhikkauht=2C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\SimObjects\Airplanes\CS_C130\panel\Captain_Sim.c130.fuel.GAU.oanukreuweaeuwabhoreeiarwahuqlrholrozlwc=2C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\SimObjects\Airplanes\CS_C130\panel\Captain_Sim.c130.left.GAU.nioazqhhawulentcqcweuuohbrquqanrlwcebztc=2C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\SimObjects\Airplanes\CS_C130\panel\Captain_Sim.c130.engine.analogue.GAU.ctttznirnzlwiranuqeiktleonounkourkwzhhkn=2C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\SimObjects\Airplanes\CS_C130\panel\Captain_Sim.c130.icons.GAU.ltoteurqtkwhucozolbrnaiitelqhkctclcczori=2C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\SimObjects\Airplanes\CS_C130\panel\Captain_Sim.c130.right.GAU.ouwwieiwewbbeeikquzkcnnlianeruwhbcrrbkbn=2C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\SimObjects\Airplanes\CS_C130\panel\Captain_Sim.c130.GAU.rahctiahlhzeaollzwrecnhcnqwrzuuzibwailkc=2C:\Program 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X\GAUGES\PA34S1.GAU.bolneqrohowruwboozbokokbqzlkqeolwctbecwb=2C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\GAUGES\PA34S2.GAU.uutoiuzoraikltuulhhzucieratoewekhhwiuori=2C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\GAUGES\PA34S4.GAU.iuaceoreicnqlcbcliknwrquonqwutbicucotnwn=2C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\GAUGES\PA34S3.GAU.blaaihbaablacwutarlqqcewntzlzcrtanankubr=2C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator 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Bump.Can someone tell me if I will lose my settings if I try reinstalling either SP1, SP2 or use the FSX installation repair facility?