About chat problem, try this:
To fix this you would need to delete the Local Saved Data File
1) Click on the organizer button in any folder. And select Folder and Search options. Go to view, and under Hidden Files and Folders, or Drives - click show hidden files.
2) Now navigate to C:/users/YOUR USERNAME/AppData/local/DoF/
3) In that file, locate and delete file called local_saved_data
About lost units - i'm sorry for your loss, i believe i was the one who gave you refund yesterday. Feel free to ask any ingame mod for a refund, again.