centos 7 : no connection to the teamviewer server

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hi, guys

i installed tv12 on centos 7, latest version. but every time i start up the tv12, show me no conection to the teamviewer server,

Screenshot from 2017-09-15 14-28-01.png

here is the log contents:

2017/09/15 14:17:30.105     8    35 GX34   Win32_GUI::FontReallyExists: 'Segoe UI' found 0 matches.
2017/09/15 14:17:30.105 8 35 GX34 Win32_GUI::FontReallyExists: 'Liberation Sans' found 4 matches.
2017/09/15 14:17:30.108 8 35 GX34 InterProcessBase::StartTcpCommunicationInternal(): setting m_NetworkConnector to new TCP connector
2017/09/15 14:17:30.108 8 35 GX34 Opening local TCP connection to 127.0.0.1:5940
2017/09/15 14:17:30.109 8 35 GX34 Local TCP connection established
2017/09/15 14:17:30.109 8 35 GX34 Process ID: L 4465 / W 8
2017/09/15 14:17:30.209 8 35 GX34 SettingsIPCReception receive a SYNCHRONISE Settings command : UserSettings
2017/09/15 14:17:30.211 8 35 GX34 Received Control_InitIPC_Response processtype=1
2017/09/15 14:17:30.211 8 35 GX34 Received Control_InitIPC_Response runningProcesses=3
2017/09/15 14:17:30.212 8 35 GX34 Control_InitIPC_Response: all processes 3 completely initialized
2017/09/15 14:17:30.220 8 35 GX34!! ProxySearch.GetProxiesFromPAC: WinHttpGetProxyForUrl(WPAD) failed for URL 'http://www.teamviewer.com/' with error 12167, Errorcode=12167
2017/09/15 14:17:30.220 8 30 GX34 Slave signalized initialization
2017/09/15 14:17:30.222 8 35 GX34!! ProxySearch.GetProxiesFromPAC: WinHttpGetProxyForUrl(WPAD) failed for URL 'https://www.teamviewer.com:443/' with error 12167, Errorcode=12167
2017/09/15 14:17:30.224 4611 4029676352 QX34 SessionBusWatcher: suitable bus found with address "unix:abstract=/tmp/dbus-S8XYTO3bih,guid=082b6714ec6cee308b2dd7a259bb6f32"
2017/09/15 14:17:30.263 4610 140593686357824 gX34 XSM: Initialised X Session Management (gnome-session, 3.14.0) [13]
2017/09/15 14:17:30.284 8 32 GX34 Slave signalized initialization
2017/09/15 14:17:30.284 8 9 GX34 tvshared::WindowsSessionStateManager::WindowsSessionStateManager(00215408) state 0
2017/09/15 14:17:30.284 8 9 GX34 VoIP: VoIPCentral: Set capturing-device = "", rendering-device = ""
2017/09/15 14:17:30.286 8 9 GX34 MachineID m=0 - 1
2017/09/15 14:17:30.286 4610 140592868751104 gX34 PulseAudio: Connected to server 'unix:/run/user/1000/pulse/native' (protocol version 30, library version 6.0.0
2017/09/15 14:17:30.286 4610 140593422341888 gX34 PulseAudio: Connection established
2017/09/15 14:17:30.286 8 31 GX34 Mixer: Device added: alsa_output.pci-0000_00_1f.3.analog-stereo, Built-in Audio Analog Stereo {c925aeca-36be-5600-86d3-793c29630909}
2017/09/15 14:17:30.286 8 31 GX34 Mixer: Device added: alsa_input.pci-0000_00_1f.3.analog-stereo, Built-in Audio Analog Stereo {6fba9372-82e9-5a51-9c4e-faf6951181ce}
2017/09/15 14:17:30.287 8 9 GX34 TVUpdate::Init() Version-URL: download.teamviewer.com/download/update/ Update-URL: download.teamviewer.com/download/update/
2017/09/15 14:17:30.288 8 9 GX34 TVUpdate::Init() Preview Channel Number : 1
2017/09/15 14:17:30.288 8 9 GX34 DynamicPasswordUIModel::ShouldShowDynamicPassword(): dynPw=1 allowIncoming=1 id=0 ka=0 lanAllowed=0 lanOnly=0 networkState=1 showDynPwd=0
2017/09/15 14:17:30.290 8 9 GX34!! MachineHooks: Library not found, Errorcode=126
2017/09/15 14:17:30.327 8 9 GX34 Wine: HwndToWindow 00010058 -> 2400004
2017/09/15 14:17:30.327 8 9 GX34 ManagerHolderStateMachine: Switching from None to NotReady
2017/09/15 14:17:30.327 8 26 GX34 ChatManager::ChatManager: created
2017/09/15 14:17:30.327 8 26 GX34 ChatManager::Factory: ChatManager created
2017/09/15 14:17:30.327 8 9 GX34!! DragDropRegistration: could not register window, HR=80040155
2017/09/15 14:17:30.327 8 26 GX34 IncomingBetterChatCommandHandler::IncomingBetterChatCommandHandler: created
2017/09/15 14:17:30.327 8 26 GX34 IncomingChatCommandRegistration::Start: registering for ready state properties
2017/09/15 14:17:30.329 8 9 GX34 AccountLoginGUI::CreateLoginKey(): [OnlineState] System is set to Visible.
2017/09/15 14:17:30.337 8 9 GX34 Wine: HwndToWindow 00010058 -> 2400004
2017/09/15 14:17:30.338 8 9 GX34 Wine: HwndToWindow 000100C6 -> e003b2
2017/09/15 14:17:30.342 8 9 GX34 CMainWindow::ShouldShowDynamicPassword(): dynPw=1 allowIncoming=1 id=0 ka=0 lanAllowed=0 lanOnly=0 networkState=1 showDynPwd=0
2017/09/15 14:17:30.343 8 9 GX34!! ServerControl: RegisterPowerSettingNotification failed with error 0
2017/09/15 14:17:30.362 8 31 GX34 Mixer: Device added: alsa_output.pci-0000_00_1f.3.analog-stereo, Built-in Audio Analog Stereo {c925aeca-36be-5600-86d3-793c29630909}
2017/09/15 14:17:30.363 8 31 GX34 Mixer: Device added: alsa_input.pci-0000_00_1f.3.analog-stereo, Built-in Audio Analog Stereo {6fba9372-82e9-5a51-9c4e-faf6951181ce}
2017/09/15 14:17:30.364 8 37 GX34 VoIP: VoIPCentral: Set capturing-device = "", rendering-device = ""
2017/09/15 14:17:30.380 8 9 GX34!! TVW Wine: SetWindowManagerClassHint: No such window
2017/09/15 14:17:30.380 8 9 GX34!! TVW Wine: SetWindowManagerClassHint: No such window
2017/09/15 14:19:23.954 8 9 GX34!! TVW Wine: HwndToWindow: No such window
2017/09/15 14:19:23.954 8 9 GX34 Wine: HwndToWindow 00000000 -> 0
2017/09/15 14:19:23.955 8 9 GX34 Wine: HwndToWindow 00010058 -> 2400004
2017/09/15 14:19:23.955 8 9 GX34 Wine: HwndToWindow 000100C6 -> 2400007
2017/09/15 14:20:01.150 4610 140593474819840 gX34 SystemdSessionInfo: New session SystemdSessionInfo [id=3 user=root state=background active=1 reliable=1 infoId=2] [path=/org/freedesktop/login1/session/_33 TTY= seat= display= vtnr=4294967295 owner=[SysUser_Lin: root [uid=0, gid=0 home=/root gecos=root shell=/bin/bash]] idle=0(0) active=1 type=unspecified class=background state=active timestamp=1505456401147638 service=crond defaultCG= leader=4837 audit=3 remote=0 rHost= rUser= killProc=0]
2017/09/15 14:20:01.150 4611 4110502720 QX34 SystemdSessionInfo: New session SystemdSessionInfo [id=3 user=root state=background active=1 reliable=1 infoId=2] [path=/org/freedesktop/login1/session/_33 TTY= seat= display= vtnr=4294967295 owner=[SysUser_Lin: root [uid=0, gid=0 home=/root gecos=root shell=/bin/bash]] idle=0(0) active=1 type=unspecified class=background state=active timestamp=1505456401147638 service=crond defaultCG= leader=4837 audit=3 remote=0 rHost= rUser= killProc=0]
2017/09/15 14:21:32.690 4610 140593070077696 gX34 XClipboard: RequestClipboard as TARGETS (336)
2017/09/15 14:21:32.690 4610 140593070077696 gX34 XClipboard: RequestClipboard as UTF8_STRING (241)
2017/09/15 14:21:32.743 4610 140593070077696 gX34 XClipboard: Got clipboard as 'UTF8_STRING', size (n=35, c=70)

could you help me? thanks a lot