Connect from winxp to win7, so version is 14.2.56676.
Firewall settings checked.
"Advanced settings for connections ..." -> "Access control" both set to "Full access".
"Send chat message" works.
"Send file" and "VPN" fails.
The error message is always "reason unknown".
Thank you for your message and welcome to the TeamViewer Community! 🙌
We experienced connectivity issues yesterday.
The issue is resolved now. Are you still having connection problems?