This article applies to all TeamViewer users using a killernetworking card.
You might be experiencing connection issues with TeamViewer if you are using an outdated driver for your killernetworking card.
It has been identified that outdated drivers of the network card/ wireless or ethernet, are the cause for the connection issues.
What means outdated?
Outdated means all drivers which are not on the latest build provided by killernetworking.
Please update the driver of your killernetworking card to the latest build. The latest drivers can be obtained from https://www.killernetworking.com/killersupport/