About chat problem:
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
And about email - you don't have to get Outlook to send email. Just write new email using Gmail, copy/paste mentioned email address and that's it