Just so I can make it clear, let me annotate where I pressed enter.
(where [enter] is shown)
This is something I started observing on gpg4win 1.1.0.
It seems like somehow, it is not handling interactive sessions.
For example;
C:\gpg --edit-key hideki [enter]
C:\gpg (GnuPG) 1.4.7;
I found the problem.
The path as installed by gpg4win specifies c:\program
files\gnu\gnupg\pub, and that binary somehow shows that behavior.
Changing the path to c:\program files\gnu\gnupg\ solved that problem.
(Copying the message to the gpg4win list, as well...)
Just so I can make it clear,