You can change it as 5938(TCP) for outgoing connections. Teamviewer always uses outgoing port 80(HTTP) as a default connection. Then you have to select the support tab and make sure that IP address is same which you are using.

Go to the TC’s connection option by right clicking and click on the status option. If you are connected to the TC by using number mode of the Teamviewer application. Make sure that your LAN IP address and Teamviewer IP address is same. Unless your connection is not ruled by any third-party software or hardware, the TeamViewer usually uses TCP 80, TCP 443 and TCP 5938 port to establish a secure connection. When your computer will start then you will get a new ID and password which will resolve your problem. If you are using windows 7 or MAC then change the windows 7 or MAC address of your LAN card.Ĭlose all dialog box and restart your computer and wait a for 5- 10 minutes. Our products power remote work by helping businesses connect and collaborate, support employees and customers, and secure. You can see Teamviewer folder, and you have to delete it. Go to start menu and click on the run option. Make sure that it is not running, and you have to close Teamviewer application. Teamviewer Error: Connection could not be established

Teamviewer please check your connection