Since I had to erase and rebuild my system HDD I am not able to have FSUIPC working. It loads only fos FS2004. Here is the installation log: 
  
Installer for FSUIPC4.DLL version 4.939n 
Looking in registry for FSX install path:      HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Microsoft Games\Flight Simulator\10.0      Parameter"SetupPath" ... >>>  OK! FOUND FSX!  <<< ...      SetupPath=C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\ 
Looking in registry for FSX-SE install path:      HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Microsoft Games\Flight Simulator - Steam Edition\10.0      Parameter"SetupPath" Not there, so looking in:      HKEY_CURRENT_USER\SOFTWARE\Microsoft\Microsoft Games\Flight Simulator - Steam Edition\10.0      Parameter"AppPath" ... NOT found! ... 
Looking in registry for Prepar3D v1 install path:      HKEY_LOCAL_MACHINE\SOFTWARE\LockheedMartin\Prepar3D      Parameter"SetupPath" Not there, so looking in:      HKEY_CURRENT_USER\SOFTWARE\LockheedMartin\Prepar3D      Parameter"AppPath" ... NOT found! ... 
Looking in registry for Prepar3D v2 install path:      HKEY_LOCAL_MACHINE\SOFTWARE\Lockheed Martin\Prepar3D v2      Parameter"SetupPath" Not there, so looking in:      HKEY_CURRENT_USER\SOFTWARE\Lockheed Martin\Prepar3D v2      Parameter"AppPath" ... NOT found! ... =========================================================== 
INSTALLATION FOR FSX: SetupPath="C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\" Checking version of the FSX EXE: ... Version 10.0.61472.0  (Need at least 10.0.60905.0) Checking compatibility with installed SimConnect:     Found SimConnect build 60905 (Original)     Found SimConnect build 61242 (SP1 May07)     Found SimConnect build 61259 (Acc/SP2 Oct07) Checking if there's already a version of FSUIPC4 installed in:        C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\Modules\FSUIPC4.DLL ... Version 4.939n found. FSX Modules folder already exists. Okay -- installed FSUIPC4 into "C:\Program Files (x86)\Microsoft Games\Microsoft Flight Simulator X\Modules\FSUIPC4.DLL" Looking for the current user's Application Data path: ... found as "C:\Users\Rodrigo\AppData\Roaming" Now finding \Microsoft\FSX\FSX.CFG for all users, including this one Looking in "C:\Users\Rodrigo\.android\Roaming"  ... No FSX.CFG there Looking in "C:\Users\Rodrigo\Ambiente de impressão\Roaming"  ... No FSX.CFG there Looking in "C:\Users\Rodrigo\Ambiente de rede\Roaming"  ... No FSX.CFG there Looking in "C:\Users\Rodrigo\AppData\Roaming" Found FSX.CFG in "C:\Users\Rodrigo\AppData\Roaming\Microsoft\FSX\FSX.CFG" Now checking DLL.XML ... ... There is a previous DLL.XML, checking for FSUIPC4 section. ... FSUIPC4 section already exists but will be replaced.      (for FSUIPC4, without Loader) ... FSUIPC4 section of DLL.XML written okay Now checking for a SimConnect.XML file ... ... There is a SimConnect.XML, checking for "local" section. ... "local" section already exists, file not modified. Looking in "C:\Users\Rodrigo\Configurações locais\Roaming"  ... No FSX.CFG there Looking in "C:\Users\Rodrigo\Contacts\Roaming"  ... No FSX.CFG there Looking in "C:\Users\Rodrigo\Cookies\Roaming"  ... No FSX.CFG there Looking in "C:\Users\Rodrigo\Dados de aplicativos\Roaming"  ... No FSX.CFG there Looking in "C:\Users\Rodrigo\Desktop\Roaming"  ... No FSX.CFG there Looking in "C:\Users\Rodrigo\Documents\Roaming"  ... No FSX.CFG there Looking in "C:\Users\Rodrigo\Downloads\Roaming"  ... No FSX.CFG there Looking in "C:\Users\Rodrigo\Dropbox\Roaming"  ... No FSX.CFG there Looking in "C:\Users\Rodrigo\Favorites\Roaming"  ... No FSX.CFG there Looking in "C:\Users\Rodrigo\Intel\Roaming"  ... No FSX.CFG there Looking in "C:\Users\Rodrigo\IntelGraphicsProfiles\Roaming"  ... No FSX.CFG there Looking in "C:\Users\Rodrigo\Links\Roaming"  ... No FSX.CFG there Looking in "C:\Users\Rodrigo\Menu Iniciar\Roaming"  ... No FSX.CFG there Looking in "C:\Users\Rodrigo\Meus documentos\Roaming"  ... No FSX.CFG there Looking in "C:\Users\Rodrigo\Modelos\Roaming"  ... No FSX.CFG there Looking in "C:\Users\Rodrigo\Music\Roaming"  ... No FSX.CFG there Looking in "C:\Users\Rodrigo\Pictures\Roaming"  ... No FSX.CFG there Looking in "C:\Users\Rodrigo\Recent\Roaming"  ... No FSX.CFG there Looking in "C:\Users\Rodrigo\Saved Games\Roaming"  ... No FSX.CFG there Looking in "C:\Users\Rodrigo\Searches\Roaming"  ... No FSX.CFG there Looking in "C:\Users\Rodrigo\SendTo\Roaming"  ... No FSX.CFG there Looking in "C:\Users\Rodrigo\SupTab\Roaming"  ... No FSX.CFG there Looking in "C:\Users\Rodrigo\Videos\Roaming"  ... No FSX.CFG there "Modules\FSUIPC Documents" folder already exists. Now installing additional files into the "Modules\FSUIPC Documents" folder:    Installed "FSUIPC4 User Guide.pdf" okay    Installed "FSUIPC4 for Advanced Users.pdf" okay    Installed "FSUIPC4 History.pdf" okay    Installed "List of FSX and P3D controls.pdf" okay    Installed "FSUIPC Lua Library.pdf" okay    Installed "FSUIPC Lua Plug-Ins.pdf" okay    Installed "Lua License.pdf" okay    Installed "Lua Plugins for VRInsight Devices.pdf" okay    Installed "LuaFileSystem.pdf" okay    Installed "Example LUA plugins.zip" okay    Installed "ASN WX Radar facilities in FSUIPC4.pdf" okay    Installed "Offset Mapping for PMDG 737NGX.pdf" okay    Installed "FSUIPC4 Offsets Status.pdf" okay    Installed "Profiles in Separate Files.pdf" okay =========================================================== 
All installer tasks completed. 
*************** End of Install Log *************** 
  
Please help.