After copying the dll, everything is working now.

Thanks for the splendid software.

Cheer.

It's for a single PC.
Sorry, I must haver missed the portion on SDK. Where can I find the steps?

Thanks

I thought I followed all the steps, but Plan-G v4 still wont connect. 

08:20:26.8

---===+++ 06/09/2020 +++===---

08:20:26.8 Starting Plan-Gv4 build 4.0.0.220
08:20:26.8 OS is Microsoft Windows NT 6.2.9200.0
08:20:26.8 Plan-G Files folder is: C:\Users\mctan\OneDrive\Documents\Plan-G Files
08:20:26.9 Creating C:\Users\mctan\OneDrive\Documents\Plan-G Files\Data
08:20:26.9 Creating C:\Users\mctan\OneDrive\Documents\Plan-G Files\Charts
08:20:26.9 Creating C:\Users\mctan\OneDrive\Documents\Plan-G Files\DEM
08:20:27.3 Map tiles cache: C:\Users\mctan\AppData\Local\GMap.NET\
08:20:27.5 Program in: C:\Users\mctan\OneDrive\Documents\Plan-G v4 64bit
08:20:27.5 Data in: C:\Users\mctan\OneDrive\Documents\Plan-G Files
08:20:28.1 This build: 400220 Latest build: 322167
08:20:28.1 Starting timer
08:20:28.1 DownloadCurrentMetars thread started
08:20:28.1 Metar21Z.TXT started
08:20:28.1 Metar22Z.TXT started
08:20:30.6 Stopping timer
08:20:30.6 StartMap
08:20:30.6 MEFs: Data Source = 'C:\Users\mctan\OneDrive\Documents\Plan-G Files\Data\MEF.db'
08:20:31.4 NdbsInBounds 0
08:20:31.4 VorsInBounds 0
08:20:31.4 User Waypoints: Data Source = 'C:\Users\mctan\OneDrive\Documents\Plan-G Files\Data\UWpts4.db'
08:20:31.5 AirportsInBounds 0
08:20:31.5 AirspaceInBounds 0
08:20:31.6 MEFs: Data Source = 'C:\Users\mctan\OneDrive\Documents\Plan-G Files\Data\MEF.db'
08:20:31.6 NdbsInBounds 0
08:20:31.6 VorsInBounds 0
08:20:31.6 User Waypoints: Data Source = 'C:\Users\mctan\OneDrive\Documents\Plan-G Files\Data\UWpts4.db'
08:20:31.6 AirportsInBounds 0
08:20:31.6 AirspaceInBounds 0
08:20:35.3 Metar22Z.TXT done
08:20:36.1 Metar21Z.TXT done
08:20:36.1 DownloadCurrentMetars done
08:20:36.4 ProcessMetars done
08:20:45.7 User Waypoints: Data Source = 'C:\Users\mctan\OneDrive\Documents\Plan-G Files\Data\UWpts4.db'
08:20:45.9 User Waypoints: Data Source = 'C:\Users\mctan\OneDrive\Documents\Plan-G Files\Data\UWpts4.db'
08:20:45.9 User Waypoints: Data Source = 'C:\Users\mctan\OneDrive\Documents\Plan-G Files\Data\UWpts4.db'
08:20:48.1 _Backstage_IsOpenChanged: True
08:21:53.0 Cleanup
08:22:08.1

---===+++ 06/09/2020 +++===---

08:22:08.1 Starting Plan-Gv4 build 4.0.0.220
08:22:08.1 OS is Microsoft Windows NT 6.2.9200.0
08:22:08.1 Plan-G Files folder is: C:\Users\mctan\OneDrive\Documents\Plan-G Files
08:22:08.7 Map tiles cache: C:\Users\mctan\AppData\Local\GMap.NET\
08:22:08.8 Program in: C:\Users\mctan\OneDrive\Documents\Plan-G v4 64bit
08:22:08.8 Data in: C:\Users\mctan\OneDrive\Documents\Plan-G Files
08:22:08.9 Starting timer
08:22:08.9 DownloadCurrentMetars thread started
08:22:08.9 Metar21Z.TXT started
08:22:08.9 Metar22Z.TXT started
08:22:11.4 Stopping timer
08:22:11.4 StartMap
08:22:11.4 MEFs: Data Source = 'C:\Users\mctan\OneDrive\Documents\Plan-G Files\Data\MEF.db'
08:22:12.1 NdbsInBounds 0
08:22:12.1 VorsInBounds 0
08:22:12.1 User Waypoints: Data Source = 'C:\Users\mctan\OneDrive\Documents\Plan-G Files\Data\UWpts4.db'
08:22:12.3 AirportsInBounds 0
08:22:12.3 AirspaceInBounds 0
08:22:12.3 MEFs: Data Source = 'C:\Users\mctan\OneDrive\Documents\Plan-G Files\Data\MEF.db'
08:22:12.3 NdbsInBounds 0
08:22:12.3 VorsInBounds 0
08:22:12.3 User Waypoints: Data Source = 'C:\Users\mctan\OneDrive\Documents\Plan-G Files\Data\UWpts4.db'
08:22:12.3 AirportsInBounds 0
08:22:12.3 AirspaceInBounds 0
08:22:15.4 Metar22Z.TXT done
08:22:18.7 Metar21Z.TXT done
08:22:18.7 DownloadCurrentMetars done
08:22:19.0 ProcessMetars done
08:23:16.8 User Waypoints: Data Source = 'C:\Users\mctan\OneDrive\Documents\Plan-G Files\Data\UWpts4.db'
08:23:18.2 Initiating SimConnect FSX connection.
08:23:18.2 SetFSConnected: System.BadImageFormatException: Could not load file or assembly 'Microsoft.FlightSimulator.SimConnect, Version=11.0.62651.3, Culture=neutral, PublicKeyToken=baf445ffb3a06b5c'. An attempt was made to load a program with an incorrect format.
File name: 'Microsoft.FlightSimulator.SimConnect, Version=11.0.62651.3, Culture=neutral, PublicKeyToken=baf445ffb3a06b5c'
   at Plan_G.Model.SimConnect_FSX.Connect(IntPtr myWindow)
   at Plan_G.ViewModel.MainViewModel.SetFSConnected(Boolean value) in C:\Users\Tim\source\repos\Plan-G\ViewModel\MainViewModel.cs:line 5415


08:23:30.4 SetFSConnected: System.BadImageFormatException: Could not load file or assembly 'Microsoft.FlightSimulator.SimConnect, Version=11.0.62651.3, Culture=neutral, PublicKeyToken=baf445ffb3a06b5c'. An attempt was made to load a program with an incorrect format.
File name: 'Microsoft.FlightSimulator.SimConnect, Version=11.0.62651.3, Culture=neutral, PublicKeyToken=baf445ffb3a06b5c'
   at Plan_G.Model.SimConnect_FSX.Disconnect()
   at Plan_G.ViewModel.MainViewModel.SetFSConnected(Boolean value) in C:\Users\Tim\source\repos\Plan-G\ViewModel\MainViewModel.cs:line 5448


08:23:31.6 Initiating SimConnect FSX connection.
08:23:31.6 SetFSConnected: System.BadImageFormatException: Could not load file or assembly 'Microsoft.FlightSimulator.SimConnect, Version=11.0.62651.3, Culture=neutral, PublicKeyToken=baf445ffb3a06b5c'. An attempt was made to load a program with an incorrect format.
File name: 'Microsoft.FlightSimulator.SimConnect, Version=11.0.62651.3, Culture=neutral, PublicKeyToken=baf445ffb3a06b5c'
   at Plan_G.Model.SimConnect_FSX.Connect(IntPtr myWindow)
   at Plan_G.ViewModel.MainViewModel.SetFSConnected(Boolean value) in C:\Users\Tim\source\repos\Plan-G\ViewModel\MainViewModel.cs:line 5415


08:23:35.6 Cleanup