Here is a script that will change TeamViewer settings to disable HTTP, Activates DirectIn to stop the dialog, prevents shutdown and stops it from checking for updates.
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SOFTWARE\TeamViewer\Version7]
"ListenHttp"=dword:00000000
"Security_ActivateDirectIn"=dword:00000001
"Security_Disableshutdown"=dword:00000001
"UpdateCheckInterval"=dword:00000002
