Hi,
I'm facing this error since 3 days now.
I have tried teamviewer 12 and 13 with the same result.
I found those lines : Connect to Master master1.teamviewer.com / 185.188.32.1 failed!
CMasterConnectorAsio::HandleMasterResponseLogin(): MasterConnect failed. ErrorCode=10
I can't even ping any master.teamviewer.com server.
However, if I add master9.teamviewer.com manually to teamviewer, it works.