I run VAFS (Virtual Airline Financial Systems) as well. It comes from the website www.vafinancials.com. I receive the same error message. However, I use FS2004. Here is my log: I hope you can help!!
********* FSUIPC, Version 3.82 by Pete Dowson *********
Running on Windows Version 5.1 Build 2600 Service Pack 2
Verifying Certificate for "J:\Games\Flight Simulator 2004\MODULES\FSUIPC.dll" now ...
SUCCESS! Signature verifies okay!
Running inside FS2004(original release)
User Name=""
User Addr=""
FSUIPC not user registered
WIDEFS not user registered, or expired
Module base=61000000
ClassOptions: UIPCMAIN=FF7F, FS98MAIN=FF7F, FS2KMAIN=FF5E
WeatherOptions(Orig)=0000B027[0000B027]
InitDelay: 0 seconds
WeatherReadInterval=4
LogOptions=00000001
DebugStatus=0
6583 System time = 21:20:31
6583 J:\Games\Flight Simulator 2004\
6739 System time = 21:20:31, FS2004 time = 12:00:00 (00:00Z)
11918 FLIGHTS\OTHER\FLTSIM.flt
12028 AIRCRAFT\c172\Cessna172SP.air
30997 AIRCRAFT\Flying Tigers 747-200\747-200FPW.air
185922 C:\Users\Steve\Documents\Flight Simulator Files\UI generated flight.flt
191085 Clear All Weather requested: external weather discarded
258057 Advanced Weather Interface Enabled
258057 Traffic File #14 = "scenery\world\scenery\traffic030528"
264843 System time = 21:24:49, FS2004 time = 12:00:29 (16:00Z)
264843 *** FSUIPC log file being closed
Memory managed: 0 Allocs, 286 Freed
********* FSUIPC Log file closed ***********