De plus je ne suis pas derrière un proxy.
Pour le Débogage, j'ai regardé avec une recherche dans le debug.log le n° du Block ou je me suis arreté (339765) et j'ai trouvé ceci (j'ai viré mon IP, si je dois virer d'autres infos, merci de me prévenir
2015-01-20 11:39:39 UpdateTip: new best=00000000000000001567a11581d7486ac2d693b1b7680cf9bc4a24a06713a26d height=339765 log2_work=82.050307 tx=57310299 date=2015-01-20 11:39:48 progress=1.000000
2015-01-20 11:39:39 ProcessBlock: ACCEPTED
2015-01-20 11:40:36 ERROR: AcceptToMemoryPool : inputs already spent
2015-01-20 11:40:59 receive version message: /Satoshi:0.6.2/: version 60001, blocks=252450, us=82.xxx.xxx.xxx:8333, them=68.178.42.38:8333, peer=68.178.42.38:1669
2015-01-20 11:40:59 Added time data, samples 200, offset +34 (+0 minutes)
2015-01-20 11:41:32 ERROR: CScriptCheck() : 5da4253c67c5eee47a4d83d45b164365edbabf0affb12288080e51c82d0c597a VerifySignature failed
2015-01-20 11:41:32 ERROR: CScriptCheck() : 5da4253c67c5eee47a4d83d45b164365edbabf0affb12288080e51c82d0c597a VerifySignature failed
2015-01-20 11:41:32 ERROR: AcceptToMemoryPool: : ConnectInputs failed 5da4253c67c5eee47a4d83d45b164365edbabf0affb12288080e51c82d0c597a
2015-01-20 11:41:32 Misbehaving: 184.169.155.66:56562 (0 -> 100) BAN THRESHOLD EXCEEDED
2015-01-20 11:41:53 receive version message: /bitcoinseeder:0.01/: version 60000, blocks=230000, us=82.xxx.xxx.xxx:8333, them=0.0.0.0:0, peer=178.18.90.41:36922
2015-01-20 11:42:29 receive version message: /Satoshi:0.10.99/: version 70002, blocks=322082, us=82.xxx.xxx.xxx:8333, them=0.0.0.0:8333, peer=108.45.93.72:54368
2015-01-20 11:42:36 ERROR: AcceptToMemoryPool : inputs already spent
2015-01-20 11:42:59 receive version message: /bitcoinseeder:0.01/: version 60000, blocks=230000, us=82.xxx.xxx.xxx:8333, them=0.0.0.0:0, peer=112.124.22.80:57432
2015-01-20 11:43:30 ERROR: CScriptCheck() : 5da4253c67c5eee47a4d83d45b164365edbabf0affb12288080e51c82d0c597a VerifySignature failed
2015-01-20 11:43:30 ERROR: CScriptCheck() : 5da4253c67c5eee47a4d83d45b164365edbabf0affb12288080e51c82d0c597a VerifySignature failed
...
Mais je n'y comprends pas grand chose lol