This is NOT the first time using FDC. I have used it for years. This only happens on long flights.
I am using the latest FDC Version 3.79.
I am also using the latest registered FSUIPC4 Version 9.21f by Pete Dawson.
Here is my FSX Configuration File:
[SOUND]
AmbientUIMusicVolume=-6.000000
SOUND_FADER1=0.500000
SOUND_FADER2=0.500000
SOUND_FADER3=0.500000
SOUND_FADER4=0.500000
AmbientUIMusic=FSX01
SOUND=1
SOUND_QUALITY=2
SOUND_LOD=0
UISound=1
AmbientUI=0
PrimaryDevice={C63521A2-7F79-4C90-8E4A-373B2574506D}
VoiceDevice={C63521A2-7F79-4C90-8E4A-373B2574506D}
[Display]
ChangeTime=4.000000
TransitionTime=4.000000
ActiveWindowTitleTextColor=255,255,255
ActiveWindowTitleBackGroundColor=0,28,140,64
NonActiveWindowTitleTextColor=255,255,255
NonActiveWindowTitleBackGroundColor=24,33,87,64
InfoUpperRightTextColor=255,0,0
InfoUpperRightBackGroundColor=0,0,0,0
InfoLowerLeftTextColor=255,255,255
InfoLowerLeftBackGroundColor=255,0,0,128
InfoLowerRightTextColor=255,255,255
InfoLowerRightBackGroundColor=255,0,0,128
InfoBrakesEnable=True
InfoParkingBrakesEnable=True
InfoPauseEnable=True
InfoSlewEnable=True
InfoStallEnable=True
InfoOverspeedEnable=True
BLOOM_EFFECTS=0
RUNWAY_LIGHTS_SURFACE_SCALAR=2.0
RUNWAY_LIGHTS_VASI_SCALAR=1.5
RUNWAY_LIGHTS_APPROACH_SCALAR=2.5
RUNWAY_LIGHTS_STROBE_SCALAR=2.5
SKINNED_ANIMATIONS=1
TEXTURE_BANDWIDTH_MULT=50
UPPER_FRAMERATE_LIMIT=0
WideViewAspect=True
TextureMaxLoad=30
[Main]
HideInfoText=0
User Objects=Airplane
SimObjectPaths.0=SimObjects\Airplanes
SimObjectPaths.1=SimObjects\Rotorcraft
SimObjectPaths.2=SimObjects\GroundVehicles
SimObjectPaths.3=SimObjects\Boats
SimObjectPaths.4=SimObjects\Animals
SimObjectPaths.5=SimObjects\Misc
SimObjectPaths.6=SimObjects\TrafficX
Maximized=1
Location=440,130,1480,908,\\.\DISPLAY1
HideMenuNormal=0
HideMenuFullscreen=1
ProcSpeed=10415
PerfBucket=7
FIBER_FRAME_TIME_FRACTION=0.43
[JobScheduler]
AffinityMask=6
HIGHMEMFIX=1
[PANELS]
IMAGE_QUALITY=1
QUICKTIPS=0
PANEL_OPACITY=100
PANEL_MASKING=1
PANEL_STRETCHING=1
UNITS_OF_MEASURE=0
DEFAULT_VIEW=1
[Weather]
WindshieldPrecipitationEffects=1
MinGustTime=10
MaxGustTime=500
MinGustRampSpeed=1
MaxGustRampSpeed=200
MinVarTime=5
MaxVarTime=50
MinVarRampSpeed=10
MaxVarRampSpeed=75
TurbulenceScale=1.000000
WeatherServerAddress=fs2k.zone.com
WeatherServerPort=80
WeatherGraphDataInDialog=0
AdjustForMagVarInDialog=1
DynamicWeather=2
DownloadWindsAloft=1
DisableTurbulence=0
CLOUD_DRAW_DISTANCE=6
DETAILED_CLOUDS=1
CLOUD_COVERAGE_DENSITY=7
THERMAL_VISUALS=0
[DISPLAY.Device.AMD Radeon HD 6900 Series.0]
Mode=1920x1080x32
Anisotropic=1
AntiAlias=1
AMD_Radeon_HD_6900_CrossFire=1
AMD_Radeon_HD_6900_CrossFire_Graphics_Enable=1
[CONTROLS]
Controls_Default=Standard
Controls_Current=Standard
force_master_gain=10000
force_stick_force_enabled=0
force_stick_shaker_enabled=0
force_gear_bump_enabled=0
force_crash_enabled=0
force_ground_bumps_enabled=0
KBDAIL=64
KBDELEV=64
KBDRUD=64
[TextInfo.1]
Latitude=1,1
Longitude=1,2
Altitude=1,3
Heading=1,4
AirSpeed=1,5
WindDirectionAndSpeed=1,6
[TextInfo.2]
FrameRate=1,1
LockedFrameRate=1,2
GForce=1,3
FuelPercentage=1,4
[TextInfo.3]
Latitude=1,1
Longitude=1,2
Altitude=1,3
Heading=1,4
AirSpeed=1,5
WindDirectionAndSpeed=1,6
FrameRate=2,1
LockedFrameRate=2,2
GForce=2,3
FuelPercentage=2,4
[SlewTextInfo.1]
Latitude=1,1
Longitude=1,2
Altitude=1,3
Heading=1,4
AirSpeed=1,5
[SlewTextInfo.2]
FrameRate=1,1
LockedFrameRate=1,2
[SlewTextInfo.3]
Latitude=1,1
Longitude=1,2
Altitude=1,3
Heading=1,4
AirSpeed=1,5
FrameRate=2,1
LockedFrameRate=2,2
[DynamicHeadMovement]
LonAccelOnHeadLon=-0.020000
LonAccelOnHeadPitch=-0.010000
RollAccelOnHeadLat=0.010000
YawAccelOnHeadLat=-0.100000
RollAccelOnHeadRoll=0.100000
MaxHeadAngle=5.000000
MaxHeadOffset=0.300000
HeadMoveTimeConstant=1.000000
[VirtualCopilot]
VirtualCopilotActive=0
[GRAPHICS]
SHADER_CACHE_PRIMED=1693458432
TEXTURE_MAX_LOAD=4096
NUM_LIGHTS=8
AIRCRAFT_SHADOWS=1
AIRCRAFT_REFLECTIONS=0
COCKPIT_HIGH_LOD=0
LANDING_LIGHTS=1
AC_SELF_SHADOW=0
EFFECTS_QUALITY=2
GROUND_SHADOWS=0
TEXTURE_QUALITY=3
IMAGE_QUALITY=0
See_Self=1
Text_Scroll=1
SHADER_CACHE_PRIMED_10=1693458432
D3D10=0
HIGHMEMFIX=1
ForceFullScreenVSync=1
[USERINTERFACE]
PageID=6
SHOW_MISSION_CAPTIONS=0
PAUSE_ON_LOST_FOCUS=1
PROMPT_ON_EXIT=1
SITUATION=FLIGHTS\OTHER\FLTSIM
Map_Orientation=2
ShowAllACPaintSchemes=1
SelectAircraftManufacturer=All
SelectAircraftPublisher=All
SelectAircraftType=All
OpenATCOnCreate=1
DisplayFuelAsWeight=0
[ATC]
ShowATCText=1
COMM_MSG_NONE_COLOR=FFFFFFFF
COMM_MSG_ATC_USER_COLOR=FFB6FFB6
COMM_MSG_USER_ATC_COLOR=FFFFD21B
COMM_MSG_ATC_AI_COLOR=FF00FF00
COMM_MSG_AI_ATC_COLOR=FFFF7840
AutoOpenAirTrafficWindow=1
UsePilotVoice=1
PilotVoice=0
[PointOfInterestSystem]
CycleSetting=0
[SCENERY]
LENSFLARE=1
DAWN_DUSK_SMOOTHING=1
IMAGE_COMPLEXITY=5
SmallPartRejectRadius=10
[TrafficManager]
AirlineDensity=85
GADensity=75
FreewayDensity=50
ShipsAndFerriesDensity=100
LeisureBoatsDensity=100
IFROnly=0
AIRPORT_SCENERY_DENSITY=5
[TERRAIN]
LOD_RADIUS=11.000000
MESH_COMPLEXITY=81
MESH_RESOLUTION=23
TEXTURE_RESOLUTION=25
AUTOGEN_DENSITY=5
DETAIL_TEXTURE=1
WATER_EFFECTS=5
TERRAIN_MAX_AUTOGEN_TREES_PER_CELL=4500
TERRAIN_MAX_AUTOGEN_BUILDINGS_PER_CELL=3000
[AContain]
ShowLabels=1
ShowUserLabel=0
ShowLabelManufacturer=1
ShowLabelModel=1
ShowLabelTailNumber=0
ShowLabelDistance=1
ShowLabelAltitude=1
ShowLabelAirline=0
ShowLabelAirlineAndFlightNumber=0
ShowLabelFlightPlan=0
ShowLabelContainerId=0
ShowLabelAirspeed=0
ShowLabelHeading=0
LabelDelay=1000
LabelColor=FFFF0000
[INTERNATIONAL]
ASLAT=2
ASLON=1
MEASURE=0
[REALISM]
PFactor=0.500000
Torque=0.500000
GyroEffect=0.500000
CrashTolerance=0.000000
General=0.500000
UnlimitedFuel=False
TrueAirspeed=False
AutoCoord=True
RealMixture=False
StressDamage=False
GEffect=False
ManualLights=True
GyroDrift=False
CrashWithDyn=False
CrashDetection=False
AutoTrim=False
[SIM]
SYSCLOCK=1
[STARTUP]
DEMO=0
SHOW_OPENING_SCREEN=1
STARTUP_DEMO=
LoadWindow=1
[FACILITIES]
COUNTRY=United States
STATE=Washington
CITY=Seattle
GTL_BUTTON=1232
[Misc]
Com_Rate=7
[Trusted]
C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\GAUGES\Abacus B787.GAU.koniabhuebiacwqaerrtbtbiwenqzucbnrewiali=2
C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\GAUGES\737-400.DLL.wzhzzwtllwrcuotrqckurzzhqriwkobltwhuokoo=2
C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\GAUGES\fmc.GAU.brertnkhoblzctacqhlqazuiccrquocozbikuwhk=2
C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\Modules\FSUIPC4.dll.lkawnnbatoakqwolekqlhhhabbbhkzlunohizaoh=1
C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\GAUGES\CLS_FSX_SOUND.DLL.aebihneutthwzhqrahutzwhwethonwcezhwrckbl=2
C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\GAUGES\CLS_FSX_TCAS.DLL.wetiteelzzrnlehqeeizcoenbqqrrretnraqlkzh=2
C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\GAUGES\CLS_767.GAU.ibeteuitcbnweztiioreiziilbeqeiwrnakkntut=2
C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\bglmanx.dll.zizzwchnelobcztalrnonbuqbnotonblbkhaburk=1
C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\GAUGES\Qw757.GAU.eonctubctlaaqhekbruqkkekuibiehkwkoawelti=2
C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\GAUGES\Qw757_TCAS.GAU.lezczqbqwilekwoububwrcrtuowhlrztuqkenkqw=2
C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\GAUGES\mooney_bravo.DLL.zhqlazqlrehbzleeltbzahhbwiukoalqbihnkuqi=2
C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\SimObjects\Airplanes\DC-10-30 Omni\panel\md11engine.GAU.ubchhqrezhlecwlwhbnlawrtorccotwqkchketkh=2
C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\SimObjects\Airplanes\DC-10-30 Omni\panel\md11oilset.GAU.kclikchlcbuzqutbetqoohzlaecqwokqtbtiuqlk=2
C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\GAUGES\kingair.DLL.qniluuabnzuhtterhceqqwitntbwtwholbokobir=2
C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\SimObjects\Airplanes\DC-10-30 United Airlines\panel\md11engine.GAU.ubchhqrezhlecwlwhbnlawrtorccotwqkchketkh=2
C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\SimObjects\Airplanes\DC-10-30 United Airlines\panel\md11oilset.GAU.kclikchlcbuzqutbetqoohzlaecqwokqtbtiuqlk=2
C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\SimObjects\Airplanes\DC-10-30 F\panel\md11engine.GAU.ubchhqrezhlecwlwhbnlawrtorccotwqkchketkh=2
C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\SimObjects\Airplanes\DC-10-30 F\panel\md11oilset.GAU.kclikchlcbuzqutbetqoohzlaecqwokqtbtiuqlk=2
C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\GAUGES\Cessna.DLL.znwqkcklztbhhnrnniarzcbetrhcrknbulzlhzhc=2
C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\GAUGES\Cessna172.DLL.ttewiokwaowqonnilrqcnkhcwktlowwwwbuqukhb=2
C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\GAUGES\Cessna182s.DLL.toorcrbllklnhcnknlkwnznlkaebelhkaazlqnwn=2
C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\GAUGES\CessnaWAlpha.DLL.kziretzcwiqleucweltbuokekahkeohneaqiikqh=2
C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\GAUGES\Bendix_King_Radio.DLL.ezqinrnnlkkzqezbbathqrlzeiwtwceeoznnehbl=2
C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\GAUGES\Bell_206B.DLL.zeuwekwncnuhlekqnckcrbuokubwborcbqelhhww=2
C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\GAUGES\Magnetic_Compass.DLL.hteohhukioaliqtnnhqawhtoqiahtiztweneknac=2
C:\Program Files (x86)\FlightSimTools.com\TaxiSigns HD\TaxiSignsFSX.dll.nohqwueiqnraqtizzinciqwhwzaruceukurwckkt=1
C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\Modules\FSUIPC4.dll.hhkwccnuooclqieabnrcliqkbziqqcaunewcbhhr=1
[FlightPlanMapMAP]
LineWidth=2
SHOW_AIRPORTS=1
SHOW_VORS=0
SHOW_NDBS=1
SHOW_APPROACHES=1
SHOW_INTERSECTIONS=1
SHOW_VICTOR=1
SHOW_JET=0
SHOW_AIRSPACE=1
SHOW_FLIGHTPLAN=1
SHOW_WEATHERSTATIONS=1
SHOW_WEATHERSYSTEMS=1
SHOW_DATATAGS=1
SHOW_TERRAIN=1
show_flight_history=1
show_waypoints=1
show_airways=1
show_markers=1
show_volume_boundaries=1
[FlightPlanMap]
LineWidth=2
SHOW_AIRPORTS=1
SHOW_VORS=1
SHOW_NDBS=1
SHOW_APPROACHES=1
SHOW_INTERSECTIONS=1
SHOW_VICTOR=0
SHOW_JET=0
SHOW_AIRSPACE=1
SHOW_FLIGHTPLAN=1
SHOW_WEATHERSTATIONS=1
SHOW_WEATHERSYSTEMS=1
SHOW_DATATAGS=1
SHOW_TERRAIN=1
show_waypoints=1
show_airways=1
show_markers=1
show_volume_boundaries=1
show_ac_twr=1
[MAPVIEW_MAP]
SHOW_AIRPORTS=1
SHOW_VORS=1
SHOW_NDBS=1
SHOW_APPROACHES=1
SHOW_INTERSECTIONS=0
SHOW_VICTOR=0
SHOW_JET=0
SHOW_AIRSPACE=1
SHOW_FLIGHTPLAN=1
SHOW_WEATHERSTATIONS=1
SHOW_WEATHERSYSTEMS=1
SHOW_DATATAGS=1
SHOW_TERRAIN=1
show_flight_history=1
[FSDREAMTEAM]
AntiPopUp=1
AltitudeCull=1
[MULTIPLAYER]
condAccoutPassword=0
Would you like the specs of my computer also?