Impossible decrypt messages

[Ze]

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Hash: SHA1

I use kde-3.2.3 with kmail1.6.2
I'm not been able to decrypt any messages with kmail.
After entering the passphrase nothing happens.

Any help?
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Version: GnuPG v1.2.4 (GNU/Linux)

iD8DBQFBL1UAtc6f5159cB4RAsklAKCjC571jCicpvpS/5v0dLZ/3rRdHQCgwQV0
4OmScF4rSvVr1tyb8Eyd0/c=
=F5dt
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