Sorry, here's the log file :
********* FSUIPC4, Version 4.975a (19th May 2020) by Pete Dowson *********
Windows 10 Enterprise 64 Bit reported as Build 18363, Release ID: 1909 (OS 10.0)
fsx.exe version = 10.0.61472.0
Reading options from "F:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\Modules\FSUIPC4.ini"
Running inside FSX on Windows 10
Module base=63340000
User Name=""
User Addr=""
FSUIPC4 not user registered
WIDEFS7 not user registered, or expired
15 System time = 11/06/2020 16:14:05
15 FLT path = "D:\Users\Antok\Documents\Flight Simulator X Files\"
15 NOTE: configuring for no weather reads or writes!
15 ------ Module Version Check ------
15 acontain.dll: 10.0.61472.0
15 api.dll: 10.0.61472.0
15 controls.dll: 10.0.61472.0
15 fs-traffic.dll: 10.0.61472.0
15 G3D.dll: 10.0.61472.0
15 language.dll: 10.0.61472.0
15 sim1.dll: 10.0.61472.0
15 visualfx.dll: 10.0.61472.0
15 window.dll: 10.0.61472.0
15 ----------------------------------
78 Trying to connect to SimConnect 10.0.61242.0 ...
78 ... Okay! Connected!
156 FS path = "F:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\"
187 LogOptions=00000000 00000001
187 -------------------------------------------------------------------
187 ------ Setting the hooks and direct calls into the simulator ------
187 --- CONTROLS timer memory location obtained ok
187 --- SIM1 Frictions access gained
187 --- FS Controls Table located ok
187 --- Installed Mouse Macro hooks ok.
187 --- Wind smoothing fix is not installed
187 --- G3D.DLL fix attempt installed ok
187 --- SimConnect intercept for texts and menus option is off
187 --- All links okay (with no weather related ones)
187 -------------------------------------------------------------------
187 SimConnect_Open succeeded: waiting to check version okay
203 Opened separate AI Traffic client okay
2046 Running in "Microsoft Flight Simulator X", Version: 10.0.61472.0 (SimConnect: 10.0.61259.0)
2046 Initialising SimConnect data requests now
2046 FSUIPC Menu entry added
2187 F:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\FLIGHTS\OTHER\FLTSIM.FLT
2187 F:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\SimObjects\Airplanes\Aircreation_582SL\Aircreation_582SL.AIR
44734 User Aircraft ID 1 supplied, now being used
45390 System time = 11/06/2020 16:14:50, Simulator time = 16:14:08 (23:14Z)
45406 === DLLStop called ...
45406 === Closing external processes we started ...
46421 === About to kill any Lua plug-ins still running ...
47562 === About to kill my timers ...
47562 === Restoring window procs ...
47562 === Unloading libraries ...
47562 === stopping other threads ...
47562 === ... Memory checking ...
47562 === ... Button scanning ...
47671 === ... Axis scanning ...
47765 === Releasing joystick devices ...
47765 === Freeing macro memory
47765 === Removing any offset overrides
47765 === Clearing any displays left
47765 === NOTE: not calling SimConnect_Close ...
47765 === AI slots deleted!
47765 === Freeing button memory ...
47765 === Closing my Windows ...
47765 === Freeing FS libraries ...
48765 === Closing devices ...
48765 === Closing the Log ... Bye Bye! ...
48765 System time = 11/06/2020 16:14:54, Simulator time = 16:14:08 (23:14Z)
48765 *** FSUIPC log file being closed
Minimum frame rate was 32768.0 fps, Maximum was 0.0 fps
Minimum available memory recorded was 32768Mb
Average frame rate for running time of 1 sec = 51.6 fps
G3D fix: Passes 7224, Null pointers 0, Bad pointers 0, Separate instances 0
Maximum AI traffic for session was 0 aircraft
Memory managed: 4 Allocs, 4 Freed
********* FSUIPC Log file closed ***********
Tried adding "NoWeatherAtAll=Yes" No luck