MyTeamspeak login dont work

TeamSpeak 3 Client
1

Hey, i cant login in my Myteamspeak account in ts3 Client. On the Myteamspeak Website it work.

Log :
24.04.2020 14:07:39 SCHandler Info try to delete mytsid while no valid mytsid is set - abort
24.04.2020 14:07:42 ProtobufRPC Warning Error contacting URL https://clientapi.myteamspeak.com/authentication: SSL_ERROR: Alert on protocol: TLS 1.2 level: fatal error: unsupported_certificate (43)
24.04.2020 14:07:42 ClientUI Warning Account login failed, server currently not available. Retry in few minutes.

Trying for some days now. But never Work. Email and Passwort is right.
Sync is enabled

2

MITM Attack on the TLS Connection, probably caused by your Antivirus. Disable HTTPS sniffing.

3

and how. I dont know what this is. Sorry. i Disabled my antivirus but it still dont work

4

What have you for a Antivirus and have you tried to deactivate your Firewall?

5

Gdata, and yes. Deactivatet firewall but still error

6

What OS are you using?
(There are some TLS 1.2 problems in some Windows versions)

This is the article I referred to last time: