Can't invoke ApplicationApi.NET.dll appearing when launching application
You do not have ApplicationAPI.dll or ApplicationAPI.NET.dll or sdkdriver.dll present in the same directory as your application executable is. Copy the dll files to the same directory like your application executable is, or alternatively to C:\Windows or the root folder of your device.
You do not have the latest or the proper version of ApplicationAPI.dll or ApplicationAPI.NET.dll downloaded. Ask for the latest version from Sygic.
You are initiating the Drive application or calling InitApi function for second times in a row without a delay