No responding, no signal (connections) icon

This is the end part of debug.log

Bitcoin version 0.6.0-娴嬭瘯
Default data directory C:\Users\yecn\AppData\Roaming\Bitcoin
Loading addresses...
dbenv.open strLogDir=C:\Users\yecn\AppData\Roaming\Bitcoin/database strErrorFile=C:\Users\yecn\AppData\Roaming\Bitcoin/db.log
Loaded 91582 addresses
addresses 3603ms
Loading block index...
LoadBlockIndex(): hashBestChain=0000000000000191727b height=166580
block index 7056ms
Loading wallet...
nFileVersion = 60000
fGenerateBitcoins = 0
nTransactionFee = 0
fMinimizeToTray = 1
fMinimizeOnClose = 1
fUseProxy = 0
addrProxy = 127.0.0.1:9050
fUseUPnP = 1
wallet 540ms
Done loading
mapBlockIndex.size() = 166629
nBestHeight = 166580
setKeyPool.size() = 100
mapWallet.size() = 0
mapAddressBook.size() = 1
Bound to port 8333
addrLocalHost = 10.223.76.16:8333
ThreadDNSAddressSeed started
Loading addresses from DNS seeds (could take a while)
ThreadMapPort started
ThreadSocketHandler started
ThreadOpenConnections started
ThreadIRCSeed exiting
ThreadOpenAddedConnections started
ThreadOpenAddedConnections exiting
ThreadMessageHandler started
trying connection 85.229.140.166:8333 lastseen=-0.0hrs lasttry=-369198.7hrs
GetMyExternalIP() received [118.212.184.76] 118.212.184.76:0
GetMyExternalIP() returned 118.212.184.76
connected 85.229.140.166:8333
Added time data, samples 2, offset -9 (+0 minutes)
version message: version 32100, blocks=166597
trying connection 69.125.151.0:8333 lastseen=-0.0hrs lasttry=-369198.7hrs
connected 69.125.151.0:8333
trying connection 86.192.238.56:8333 lastseen=-0.0hrs lasttry=-369198.7hrs
Added time data, samples 3, offset -2 (+0 minutes)
version message: version 50200, blocks=166597
No valid UPnP IGDs found
connected 86.192.238.56:8333
askfor block 0000000000000823816e 0
askfor block 0000000000000340b4e4 0
askfor block 0000000000000ad1f4e9 0
askfor block 000000000000028a2e3f 0
askfor block 0000000000000b203b3d 0
askfor block 000000000000056a303d 0
askfor block 00000000000001b4e34f 0
askfor block 00000000000000104eb1 0
askfor block 0000000000000169c427 0
askfor block 0000000000000a6f80fc 0
askfor block 0000000000000b40cd9a 0
askfor block 000000000000031dadc8 0
askfor block 0000000000000618f069 0
askfor block 0000000000000bc83f95 0
askfor block 00000000000008c4bf67 0
askfor block 00000000000003973e8a 0
sending getdata: block 0000000000000823816e
sending getdata: block 0000000000000340b4e4
sending getdata: block 0000000000000ad1f4e9
sending getdata: block 000000000000028a2e3f
sending getdata: block 0000000000000b203b3d
sending getdata: block 000000000000056a303d
sending getdata: block 00000000000001b4e34f
sending getdata: block 00000000000000104eb1
sending getdata: block 0000000000000169c427
sending getdata: block 0000000000000a6f80fc
sending getdata: block 0000000000000b40cd9a
sending getdata: block 000000000000031dadc8
sending getdata: block 0000000000000618f069
sending getdata: block 0000000000000bc83f95
sending getdata: block 00000000000008c4bf67
sending getdata: block 00000000000003973e8a
trying connection 173.175.48.5:8333 lastseen=-0.0hrs lasttry=-369198.7hrs
AddAddress(109.70.141.25:8333)
connected 173.175.48.5:8333
Added time data, samples 4, offset +0 (+0 minutes)
version message: version 32400, blocks=166597
received block 0000000000000823816e
trying connection 86.21.114.104:8333 lastseen=-0.0hrs lasttry=-369198.7hrs
REORGANIZE
connected 86.21.114.104:8333
trying connection 24.30.51.118:8333 lastseen=-2.0hrs lasttry=-369198.7hrs
connected 24.30.51.118:8333
trying connection 178.33.52.222:8333 lastseen=-2.1hrs lasttry=-369198.7hrs
AddAddress(91.114.202.106:8333)
AddAddress(84.46.71.129:8333)
AddAddress(50.64.36.19:8333)
SetBestChain: new best=0000000000000823816e height=166582 work=235442326222948265896
ProcessBlock: ACCEPTED
AddAddress(41.84.135.62:8333)
AddAddress(77.45.177.62:8333)
AddAddress(83.142.211.246:8333)
AddAddress(94.41.213.164:8333)
AddAddress(115.51.59.64:8333)
AddAddress(128.68.187.236:8333)
AddAddress(194.60.236.244:8333)
Added time data, samples 5, offset -36 (+0 minutes)
nTimeOffset = -2 (+0 minutes)
version message: version 50200, blocks=166597
AddAddress(76.22.98.210:8333)
AddAddress(78.140.92.202:8333)
AddAddress(83.57.212.152:8333)
AddAddress(88.72.56.203:8333)
AddAddress(109.73.44.25:8333)
askfor block 00000000000000c39b9e 0
sending getdata: block 00000000000000c39b9e
received block 0000000000000340b4e4
connection timeout
SetBestChain: new best=0000000000000340b4e4 height=166583 work=235448251853997655680
ProcessBlock: ACCEPTED
received block 0000000000000ad1f4e9
trying connection 86.147.31.208:8333 lastseen=-2.1hrs lasttry=-369198.7hrs
connected 86.147.31.208:8333
trying connection 77.235.60.104:8333 lastseen=-2.1hrs lasttry=-369198.7hrs
connected 77.235.60.104:8333
SetBestChain: new best=0000000000000ad1f4e9 height=166584 work=235454177485047045464
ProcessBlock: ACCEPTED
askfor block 00000000000000c39b9e 1329115427000000
askfor tx aa7612786feb9629c573 0
sending getdata: tx aa7612786feb9629c573
askfor block 00000000000000c39b9e 1329115547000000
Added time data, samples 6, offset -11 (+0 minutes)
version message: version 40000, blocks=166597
askfor block 00000000000000c39b9e 1329115667000000
askfor tx aa7612786feb9629c573 1329115433000000
Added time data, samples 7, offset -9 (+0 minutes)
nTimeOffset = -9 (+0 minutes)
version message: version 31900, blocks=166597
askfor block 00000000000000c39b9e 1329115787000000
askfor tx aa7612786feb9629c573 1329115553000000
askfor tx aa7612786feb9629c573 1329115673000000
received block 00000000000000c39b9e
ProcessBlock: ORPHAN BLOCK, prev=00000000000003973e8a
received block 000000000000028a2e3f
66 addresses found from DNS seeds
ThreadDNSAddressSeed exiting