Hi Pete, 
I have several Dreamfleet B737-400 users telling me they have problems with their panel after installing FSUIPC v3.4x (we also tested v3.45) 
main problem reported is that the course selection button is not working. 
version 2.974 is working fine but we can't use that due to the mutitasking issues reported with pre 3.4x FSUIPC. 
another strange thing is that one of them is also reporting that the fsuipc.key file is missing - I mailed him a fsuipc.key file containing only our fsint.dll freeware key - but no change.. 
below is the logfile - I pressume the issue is related to the illegal read attempt? 
********* FSUIPC, Version 3.45 by Pete Dowson ********* 
Running inside FS2002 
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: 3 seconds 
LogOptions=00000001 
DebugStatus=0 
    16578 System time = 17:26:39 
    16578 C:\Program Files\Microsoft Games\FS2002\ 
    34594 FLIGHTS\MYFLTS\737 EBOS gate 2.flt 
    34734 AIRCRAFT\b737_400\Boeing737-400.air 
    45015 System time = 17:27:07, FS2002 time = 17:27:07 (16:27Z) 
    84187 Advanced Weather Interface Enabled 
    84187 ADVDRV.DLL has been patched for weather and other variables 
    84187 Everlasting rain/snow fix installed 
    85094 Aircraft="Boeing 737-400 Paint2" 
    87844 Aircraft="Boeing 737-400 Paint2" 
   110359 WeatherOptions set, now 0000B027 (timer=0) 
   134781 AIRCRAFT\Flight One 737-400\F1737H2.air 
   136265 Module [M1] identified = "DF734NJ6.GAU" 
   146687 Module [M1] identified = "DF734NJ6.GAU" 
   146703     Illegal read attempt: offset F004, size 2 [P-1] 
   146703Program or module not accredited for use with this unregistered FSUIPC 
   149594 ### IPC Message processed in 2907mSecs ### 
   150375 Aircraft="Flight One - Dreamfleet 737-400 - Citybird" 
   202344 Module [M1] identified = "DF734NJ6.GAU" 
   202344     Illegal read attempt: offset F004, size 2 [P-1] 
   202344Program or module not accredited for use with this unregistered FSUIPC 
any ideas on how to tackle this one? 
thanks! 
Filip 
IVAO SDD