- Not the drinking kind…

• Go to regedit via

  Terminal

   wine regedit

  
  Navigate to /HKEY_Local_Machine/Software/Wine/Ports and add a new string called com1.
  Set the data to the comport (I.E. /dev/ttyUSB0)
  

run the following command in terminal

sh

 sudo rm ~/.wine/dosdevices/com1 && sudo ln -s /dev/com6 ~/.wine/dosdevices/com1 

Ensure you replace com6 with what ever com port you want to use (com7, ttyUSB0 and etc)

Sometimes Gnome (desktop interface) has some issue, simply go and restart gnome by doing the following

On the desktop, press Alt + F2. A text box will pop up, type R and press Enter Gnome will then restart and things should work again.