Good evening Pete !
I think, that something is gone wrong or is missing after reinstalling, early unregistered older version of FSUIPC worked.
Version of FS
*** FS 2004 Version 9.1 Build 40901.01
Version of FSUIPC
*** Version 3.817
Version of WideFS
Version of Windows
*** WinXPFi + SP3, Version 5.1
Where you are running this "IOCARD" or "SIOC"
*** Main PC
********* FSUIPC, Version 3.82 by Pete Dowson *********
Running on Windows Version 5.1 Build 2600 Service Pack 3
Verifying Certificate for "F:\FS9\MODULES\FSUIPC.dll" now ...
SUCCESS! Signature verifies okay!
Running inside FS2004 (FS9.1 CONTROLS.DLL, FS9.1 WEATHER.DLL)
User Name="Heikki Suopanki"
User Addr="sim@oh8gjf.eu"
FSUIPC Key is provided
WideFS Key is provided
Module base=61000000
ClassOptions: UIPCMAIN=FF7F, FS98MAIN=FF7F, FS2KMAIN=FF5E
WeatherOptions(Orig)=40003605[40003605]
InitDelay: 0 seconds
WeatherReadInterval=4
LogOptions=00000001
DebugStatus=255
13625 System time = 23:38:19
13625 \\VISVA\Hubi ja Hoby\FS9\
13641 System time = 23:38:19, FS2004 time = 12:00:00 (00:00Z)
27813 C:\Documents and Settings\OH8GJF\Omat tiedostot\Flight Simulator Files\Oulu-Kokkola.flt
27969 AIRCRAFT\beech_king_air_350\Beech_King_Air_350.air
28735 Aircraft="Beech King Air 350"
54828 C:\Documents and Settings\OH8GJF\Omat tiedostot\Flight Simulator Files\UI generated flight.flt
55422 Clear All Weather requested: external weather discarded
56578 Advanced Weather Interface Enabled
160500 Traffic File #16 = "scenery\world\scenery\traffic030528"
543578 WeatherOptions set, now 40003605 (timer=0)
553094 System time = 23:47:19, FS2004 time = 17:59:45 (16:59Z)
553094 *** FSUIPC log file being closed
Memory managed: 0 Allocs, 1468 Freed
********* FSUIPC Log file closed ***********
73 de OH8GJF, Heikki