How to fix FxConnection is not starting.
Some versions have problems starting up FxConnection tool. Error could be following:
"Unexpected error has happened."
That problem can be fixed by adding manually right tool parameters in FxEditor settings.

- Close FxConnection tool and open FxEditor -> "Settings".
 - Choose "Tools"-tab.
 - Double click the FxConnection line, 
or if it doesn't exist: choose "New"-button, navigate to:
"C:\Program Files (x86)\FxConnection\" and select "FxConnection.exe" - Add same parameters in fields as in picture above:
- Display name: FX-Connection
 - FX-Editor run constants: leave empty
 - Extern program path: C:\Program Files (x86)\FxConnection\FxConnection.exe
 - External program run parameters: {PROJPATH}
 
 - Display name: FX-Connection
 - Choose "Apply".
 - Choose "OK".
 - Restart FxEditor.