Out of sudden, teamviewer 11 in windows OS cannot connet, Had tried to use teamviewer 12, flush DNS, restart, reinstall teamviewer, but nothing is working. For your information, i have another windows OS running in same network, but no problem with teamviewer 11.
Here is the log:
2017/08/23 10:30:25.161 1436 1520 S0 Activating Router carrier
2017/08/23 10:30:31.177 1436 1520 S0!! HttpRequestImpl::CurlFinished(): curl request failed: Timeout was reached (28), Connection timed out after 6000 milliseconds
2017/08/23 10:30:31.177 1436 1520 S0!! NetWatchdog: Port 80 proxy search failed! No working setting found.
2017/08/23 10:30:31.179 1436 1520 S0! CKeepAliveClientClient::HandlePing(): ping failed
2017/08/23 10:30:31.179 1436 1520 S0 Activating Router carrier
2017/08/23 10:30:31.180 1436 1520 S0 CProcessCommandHandlerMasterConnect[11232]::CreateMasterConnect(): master14.teamviewer.com:80, Connection 11232, proxy=''
2017/08/23 10:30:36.194 1436 1516 S0!! HttpRequestImpl::CurlFinished(): curl request failed: Timeout was reached (28), Connection timed out after 5000 milliseconds
2017/08/23 10:30:36.195 1436 1516 S0! CProcessCommandHandlerMasterConnect[11232]::HandleMasterConnect(): MasterConnect to 0.0.0.0 failed
2017/08/23 10:30:36.195 1436 1516 S0!!!Connect to Master master14.teamviewer.com / 185.188.32.4 failed!
2017/08/23 10:30:36.195 1436 1516 S0!! CMasterConnectorAsio::HandleMasterResponseRegister(): MasterConnect failed. ErrorCode=10
2017/08/23 10:30:39.195 1436 1520 S0 Activating Router carrier
2017/08/23 10:30:42.195 1436 1516 S0 CTcpConnectionBase[11233]::HandleConnectTimeout(). Connect timed out to ping3.teamviewer.com:5938
2017/08/23 10:30:42.195 1436 1516 S0 Activating Router carrier
2017/08/23 10:30:47.208 1436 1516 S0!! HttpRequestImpl::CurlFinished(): curl request failed: Timeout was reached (28), Connection timed out after 5000 milliseconds
2017/08/23 10:30:47.208 1436 1516 S0!! Port443Connection::ConnectInternal: failed with HTTP status code = 0
2017/08/23 10:30:47.208 1436 1516 S0!! NetWatchdog: Port 443 proxy search failed! No working setting found.
2017/08/23 10:30:47.208 1436 1516 S0 Activating Router carrier
2017/08/23 10:30:53.227 1436 1520 S0!! HttpRequestImpl::CurlFinished(): curl request failed: Timeout was reached (28), Connection timed out after 6000 milliseconds
2017/08/23 10:30:53.227 1436 1520 S0!! NetWatchdog: Port 80 proxy search failed! No working setting found.
2017/08/23 10:30:53.229 1436 1520 S0! CKeepAliveClientClient::HandlePing(): ping failed
2017/08/23 10:30:53.229 1436 1520 S0 Activating Router carrier
2017/08/23 10:30:53.229 1436 1520 S0 CProcessCommandHandlerMasterConnect[11236]::CreateMasterConnect(): master11.teamviewer.com:80, Connection 11236, proxy=''
2017/08/23 10:30:58.241 1436 1520 S0!! HttpRequestImpl::CurlFinished(): curl request failed: Timeout was reached (28), Connection timed out after 5000 milliseconds
2017/08/23 10:30:58.241 1436 1520 S0! CProcessCommandHandlerMasterConnect[11236]::HandleMasterConnect(): MasterConnect to 0.0.0.0 failed
2017/08/23 10:30:58.242 1436 1520 S0!!!Connect to Master master11.teamviewer.com / 185.188.32.5 failed!
2017/08/23 10:30:58.242 1436 1520 S0!! CMasterConnectorAsio::HandleMasterResponseRegister(): MasterConnect failed. ErrorCode=10
2017/08/23 10:31:01.242 1436 1516 S0 Activating Router carrier
