FileZilla SSH fail on Windows 7 - ssh_init: Host does not exist

Hostname conflicts with putty session names

ssh_init: Host does not exist

http://trac.filezilla-project.org/ticket/7444 is STILL an issue using 

 FileZilla Client 3.5.3 released !

Update: A patch has been released.  FileZilla - The free FTP solution (filezilla-project.org) 

Otherwise a solution: Use  WinSCP - no problems!

It comes with open source code, so go to have options.

Downloading WinSCP-5.17.9-Source.zip :: WinSCP