I think it might be AS2012 causing my fsx to freeze I use real world weather.
I also play on vatsim at the same time using squawk box.
MY CFG:
[MAPVIEW_MAP]
SHOW_AIRPORTS=1
SHOW_AIRSPACE=1
SHOW_APPROACHES=1
SHOW_DATATAGS=1
SHOW_FLIGHTPLAN=1
SHOW_INTERSECTIONS=0
SHOW_JET=0
SHOW_NDBS=1
SHOW_TERRAIN=1
SHOW_VICTOR=0
SHOW_VORS=1
SHOW_WEATHERSTATIONS=1
SHOW_WEATHERSYSTEMS=1
show_flight_history=1
[RWW_WEATHER_MAP]
SHOW_AIRPORTS=0
SHOW_AIRSPACE=0
SHOW_APPROACHES=0
SHOW_DATATAGS=1
SHOW_FLIGHTPLAN=1
SHOW_INTERSECTIONS=0
SHOW_JET=0
SHOW_NDBS=0
SHOW_TERRAIN=1
SHOW_VICTOR=0
SHOW_VORS=0
SHOW_WEATHERSTATIONS=1
SHOW_WEATHERSYSTEMS=1
[bufferPools]
RejectThreshold=131072
[VirtualCopilot]
VirtualCopilotActive=0
[sOUND]
AmbientUI=1
AmbientUIMusicVolume=-6.000000
PrimaryDevice={DEF00000-9C6D-47ED-AAF1-4DDA8F2B5C03}
SOUND=1
SOUND_LOD=1
SOUND_QUALITY=2
UISound=1
VoiceDevice={DEF00002-9C6D-47ED-AAF1-4DDA8F2B5C03}
[slewTextInfo.1]
AirSpeed=1,5
Altitude=1,3
Heading=1,4
Latitude=1,1
Longitude=1,2
[AContain]
LabelColor=FFFF0000
LabelDelay=1000
ShowLabelAirline=0
ShowLabelAirlineAndFlightNumber=0
ShowLabelAirspeed=0
ShowLabelAltitude=1
ShowLabelContainerId=0
ShowLabelDistance=1
ShowLabelFlightPlan=0
ShowLabelHeading=0
ShowLabelManufacturer=1
ShowLabelModel=1
ShowLabelTailNumber=0
ShowLabels=1
ShowUserLabel=0
[ATC]
AutoOpenAirTrafficWindow=1
COMM_MSG_AI_ATC_COLOR=FFFF7840
COMM_MSG_ATC_AI_COLOR=FF00FF00
COMM_MSG_ATC_USER_COLOR=FFB6FFB6
COMM_MSG_NONE_COLOR=FFFFFFFF
COMM_MSG_USER_ATC_COLOR=FFFFD21B
PilotVoice=0
ShowATCText=1
UsePilotVoice=1
[TextInfo.1]
AirSpeed=1,5
Altitude=1,3
Heading=1,4
Latitude=1,1
Longitude=1,2
WindDirectionAndSpeed=1,6
[iNTERNATIONAL]
ASLAT=2
ASLON=1
MEASURE=0
[CONTROLS]
Controls_Current=Standard
Controls_Default=Standard
KBDAIL=64
KBDELEV=64
KBDRUD=64
[FACILITIES]
CITY=0
COUNTRY=0
GTL_BUTTON=1346
STATE=0
[TextInfo.3]
AirSpeed=1,5
Altitude=1,3
FrameRate=2,1
FuelPercentage=2,4
GForce=2,3
Heading=1,4
Latitude=1,1
LockedFrameRate=2,2
Longitude=1,2
WindDirectionAndSpeed=1,6
[PointOfInterestSystem]
CycleSetting=0
[GRAPHICS]
AC_SELF_SHADOW=1
AIRCRAFT_REFLECTIONS=1
AIRCRAFT_SHADOWS=0
ALLOW_SHADER_30=1
COCKPIT_HIGH_LOD=1
D3D10=0
EFFECTS_QUALITY=2
ForceFullScreenVSync=1
ForceWindowedVSync=1
GROUND_SHADOWS=0
HIGHMEMFIX=1
IMAGE_QUALITY=0
LANDING_LIGHTS=1
NUM_LIGHTS=8
See_Self=1
TEXTURE_MAX_LOAD=2048
TEXTURE_QUALITY=3
Text_Scroll=1
[DISPLAY.Device.NVIDIA GeForce 8400GS.0]
Mode=1280x960x32
[TrafficManager]
AIRPORT_SCENERY_DENSITY=2
AirlineDensity=0
FreewayDensity=10
GADensity=0
IFROnly=0
LeisureBoatsDensity=30
ShipsAndFerriesDensity=0
[DynamicHeadMovement]
HeadMoveTimeConstant=1.000000
LonAccelOnHeadLon=-0.020000
LonAccelOnHeadPitch=-0.010000
MaxHeadAngle=5.000000
MaxHeadOffset=0.300000
RollAccelOnHeadLat=0.010000
RollAccelOnHeadRoll=0.100000
YawAccelOnHeadLat=-0.100000
[REALISM]
AutoCoord=False
AutoTrim=False
CrashDetection=True
CrashTolerance=1.000000
CrashWithDyn=True
GEffect=True
General=1.000000
GyroDrift=False
GyroEffect=1.000000
ManualLights=True
PFactor=1.000000
RealMixture=True
StressDamage=True
Torque=1.000000
TrueAirspeed=False
UnlimitedFuel=False
[Weather]
AdjustForMagVarInDialog=1
CLOUD_COVERAGE_DENSITY=6
CLOUD_DRAW_DISTANCE=3
DETAILED_CLOUDS=1
DisableTurbulence=0
DownloadWindsAloft=0
DynamicWeather=2
MaxGustRampSpeed=200
MaxGustTime=500
MaxVarRampSpeed=75
MaxVarTime=50
MinGustRampSpeed=1
MinGustTime=10
MinVarRampSpeed=10
MinVarTime=5
THERMAL_VISUALS=0
TurbulenceScale=1.000000
WeatherGraphDataInDialog=0
WeatherServerAddress=fs2k.zone.com
WeatherServerPort=80
WindshieldPrecipitationEffects=1
[Misc]
Com_Rate=7
[Main]
FIBER_FRAME_TIME_FRACTION=0.2
HideMenuFullscreen=1
HideMenuNormal=0
Location=320,115,1360,893,\\.\DISPLAY1
Maximized=2
SimObjectPaths.0=SimObjects\Airplanes
SimObjectPaths.1=SimObjects\Rotorcraft
SimObjectPaths.2=SimObjects\GroundVehicles
SimObjectPaths.3=SimObjects\Boats
SimObjectPaths.4=SimObjects\Animals
SimObjectPaths.5=SimObjects\Misc
User Objects=Airplane, Helicopter
[Trusted]
C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\GAUGES\PMDG_737NGX.DLL.nbcuhiqcokzteeqcockqqliccuicbbkwqulakabw=2
C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\GAUGES\PMDG_737NGX_3.DLL.oqwltthltoutlatlzzhiltzalhcquwiiioturbzo=2
C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\GAUGES\PMDG_747400_ACS.DLL.eqebkllqbonwllznnhathtorqeearnarzqcwbiwc=2
C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\GAUGES\PMDG_747400_Center.DLL.kkeliiqkknbboooeieirbzlrorcenoahilrlltci=2
C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\GAUGES\PMDG_747400_Main.DLL.qirkwqliktltielkhcqzawuknbzqqlatwnthnokt=2
C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\GAUGES\PMDG_747400_Overhead.DLL.zrizoqwrlqnaqtntwlbcubhuquoauqkialcwwbrh=2
C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\GAUGES\Qw757.GAU.oaectctoboboaeclenhqtuuknqtcozhtcehrakzh=2
C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\GAUGES\Qw757_TCAS.GAU.eueeuwekblnlekcazkburqwibkinuochlhbhqait=2
C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\Modules\FSUIPC4.dll.aruqellqnknbrzkletiqrbuktqtokthcntacnclw=1
C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\PMDG\DLLs\PMDGEvents.dll.eaqknkwbiikqlhcrnutnzkztkeeberoklrlaacho=1
C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\PMDG\DLLs\PMDGOptions.dll.einazucailkozhoeaawhncotbilhkbanwneoktko=1
C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\PMDG\DLLs\PMDGOptions.dll.tnborahobaunwbhhooauewerrzonllotthwnwblr=1
C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\PMDG\DLLs\PMDGSounds.dll.bqcoaatbnobwukziklcuzazzwkaiobrocznqanrn=1
C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\bglmanx.dll.hkiztaiekicunhnrewlqluzaqtihrocettquroti=-1
C:\Program Files (x86)\SquawkBox\sbaicontrol10.dll.obheqotewoewubwwkeutoutalzncwuoqqzzczihb=1
C:\Program Files (x86)\SquawkBox\sbmod10.dll.hztalhzwatqahhbtatuziaqbhlrqotwtabubbnbw=1
C:\Program Files (x86)\SquawkBox\sbtrans10.dll.ttcitlwbtlzqenelailruqiltoaqhlnhbezkharr=1
[TextInfo.2]
FrameRate=1,1
FuelPercentage=1,4
GForce=1,3
LockedFrameRate=1,2
[uSERINTERFACE]
DisplayFuelAsWeight=1
Map_Orientation=2
OpenATCOnCreate=0
PAUSE_ON_LOST_FOCUS=0
PROMPT_ON_EXIT=1
PageID=1
SHOW_MISSION_CAPTIONS=0
SITUATION=FLIGHTS\OTHER\FLTSIM
SelectAircraftManufacturer=All
SelectAircraftPublisher=QualityWings Simulations
SelectAircraftType=All
ShowAllACPaintSchemes=1
[sIM]
SYSCLOCK=1
[Display]
ActiveWindowTitleBackGroundColor=0,28,140,64
ActiveWindowTitleTextColor=255,255,255
BLOOM_EFFECTS=0
ChangeTime=4.000000
InfoBrakesEnable=True
InfoLowerLeftBackGroundColor=255,0,0,128
InfoLowerLeftTextColor=255,255,255
InfoLowerRightBackGroundColor=255,0,0,128
InfoLowerRightTextColor=255,255,255
InfoOverspeedEnable=True
InfoParkingBrakesEnable=True
InfoPauseEnable=True
InfoSlewEnable=True
InfoStallEnable=True
InfoUpperRightBackGroundColor=0,0,0,0
InfoUpperRightTextColor=255,0,0
NonActiveWindowTitleBackGroundColor=24,33,87,64
NonActiveWindowTitleTextColor=255,255,255
SKINNED_ANIMATIONS=1
TEXTURE_BANDWIDTH_MULT=40
TextureMaxLoad=12
TransitionTime=4.000000
UPPER_FRAMERATE_LIMIT=20
WideViewAspect=False
[MULTIPLAYER]
condAccoutPassword=0
[slewTextInfo.3]
AirSpeed=1,5
Altitude=1,3
FrameRate=2,1
Heading=1,4
Latitude=1,1
LockedFrameRate=2,2
Longitude=1,2
[PANELS]
DEFAULT_VIEW=0
IMAGE_QUALITY=1
PANEL_MASKING=1
PANEL_OPACITY=100
PANEL_STRETCHING=1
QUICKTIPS=0
UNITS_OF_MEASURE=0
[sTARTUP]
DEMO=0
LoadWindow=1
SHOW_OPENING_SCREEN=1
STARTUP_DEMO=0
[slewTextInfo.2]
FrameRate=1,1
LockedFrameRate=1,2
[TERRAIN]
AUTOGEN_DENSITY=2
DETAIL_TEXTURE=1
LOD_RADIUS=3.500000
MESH_COMPLEXITY=70
MESH_RESOLUTION=19
SWAP_WAIT_TIMEOUT=2
TEXTURE_RESOLUTION=24
WATER_EFFECTS=3
[sCENERY]
DAWN_DUSK_SMOOTHING=1
IMAGE_COMPLEXITY=2
LENSFLARE=1
SmallPartRejectRadius=4.0
[FlightPlanMap]
LineWidth=2
SHOW_AIRPORTS=1
SHOW_AIRSPACE=1
SHOW_APPROACHES=1
SHOW_DATATAGS=1
SHOW_FLIGHTPLAN=1
SHOW_INTERSECTIONS=1
SHOW_JET=0
SHOW_NDBS=1
SHOW_TERRAIN=1
SHOW_VICTOR=0
SHOW_VORS=1
SHOW_WEATHERSTATIONS=1
SHOW_WEATHERSYSTEMS=1
show_ac_twr=1
show_airways=1
show_markers=1
show_volume_boundaries=1
show_waypoints=1
Kelvin