General Error while checking message signature (Maybe I should has at Enigmail list)

[Faramir]

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Hash: SHA256

Hello:
      Well, recently, I have noticed some signed messages fail to verify
the signature due to General Error... while maybe it has been happening
for a long time, I "feel" this error didn't happen before, or at least,
not so often as I am seeing it now. What I mean is, while it is not new
to see signatures that doesn't verify (from time to time), I vaguely
remember it used to be due to other kinds of errors.

The error message is the following one (I use Spanish version of
Thunderbird, so I translated to English where I felt it was not so clear
the meaning of the phrase, between parentheses):

"gpg línea de comandos y salida:
(gpg command line and output)
C:\\Archivos de programa\\GNU\\GnuPG\\gpg.exe --charset utf8  --batch
- --no-tty --status-fd 2 --verify
gpg: Firmado el 02/12/09 05:46:23
(gpg: Signed on 02/12/09 05:46:23)
gpg:                usando RSA clave 0x0F278D6D
gpg: AVISO: conflicto con el resumen de la firma del mensaje
(gpg: WARNING: conflict with the hash of the signature of the message)
gpg: Imposible comprobar la firma: Error general
(gpg: Unable to check signaturer: General error)."

  Last error message happened when reading Malte Gell's message about
"openPGP card: using a readers keypad instead of pinentry-qt"

  All the messages that caused this error had attached a signature.asc file.

  While I have modified my gpg default preferences, I did that some
months ago, so I think this is not related to recent changes (I have not
done any changes recently).


  Any idea about what could be causing this error?

  Best Regards

P.S: I'm running Windows XP SP3, Thunderbird 2.0.0.19, GnuPG 1.4.9, and
Enigmail 0.95.7
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