Pidgin verbindet sich nicht mehr

[Luigi93]

Hallo
Ich habe bisher Pidgin genutzt, um den Facebookcat zu nutzen. Hat auch alles wunderbar geklappt, doch heute meldet mir Pidgin (ich hab nichts verstellt!!): X@chat.facebook.com/Pidgin deaktiviert Nicht autorisiert (Name durch X ersetzt)
Wenn ich Pidgin über meine virtuelle Maschine starten will (Linux Mint 12 LXDE), funktioniert es, genau wie mit Miranda unter Windows. Ich kann mich auch ganz normal bei Facebook anmelden. Ich nutze Pidgin 2.10.3; ein Neustart und/oder Neuinstallation (auch von Version 2.10.2) haben nichts gebracht
Hier das, was mir das Debug-Fenster rauswirft:

Code:

(19:37:52) account: Connecting to account X@chat.facebook.com/Pidgin.
(19:37:52) connection: Connecting. gc = 06B03EA0
(19:37:52) dnssrv: querying SRV record for chat.facebook.com: _xmpp-client._tcp.chat.facebook.com
(19:37:52) dnssrv: found 1 SRV entries
(19:37:52) dnsquery: Performing DNS lookup for Chat.fACeBOok.COm
(19:37:52) dnsquery: IP resolved for Chat.fACeBOok.COm
(19:37:52) proxy: Attempting connection to 66.220.151.99
(19:37:52) proxy: Connecting to Chat.fACeBOok.COm:5222 with no proxy
(19:37:56) proxy: Connection in progress
(19:37:57) proxy: Connecting to Chat.fACeBOok.COm:5222.
(19:37:57) proxy: Connected to Chat.fACeBOok.COm:5222.
(19:37:57) jabber: Sending (X@chat.facebook.com/Pidgin): <?xml version='1.0' ?>
(19:37:57) jabber: Sending (X@chat.facebook.com/Pidgin): <stream:stream to='chat.facebook.com' xmlns='jabber:client' xmlns:stream='http://etherx.jabber.org/streams' version='1.0'>
(19:37:57) jabber: Recv (173): <?xml version="1.0"?><stream:stream id="9A4E1EF9" from="chat.facebook.com" version="1.0" xmlns="jabber:client" xmlns:stream="http://etherx.jabber.org/streams" xml:lang="en">
(19:37:57) jabber: Recv (227): <stream:features><starttls xmlns="urn:ietf:params:xml:ns:xmpp-tls"/><mechanisms xmlns="urn:ietf:params:xml:ns:xmpp-sasl"><mechanism>X-FACEBOOK-PLATFORM</mechanism><mechanism>DIGEST-MD5</mechanism></mechanisms></stream:features>
(19:37:57) jabber: Sending (X@chat.facebook.com/Pidgin): <starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>
(19:37:57) jabber: Recv (50): <proceed xmlns="urn:ietf:params:xml:ns:xmpp-tls"/>
(19:37:58) util: Writing file accounts.xml to directory C:\Users\X\AppData\Roaming\.purple
(19:37:58) util: Writing file C:\Users\X\AppData\Roaming\.purple\accounts.xml
(19:37:58) nss: subject=CN=chat.facebook.com,O="Facebook, Inc.",L=Palo Alto,ST=California,C=US issuer=CN=DigiCert High Assurance CA-3,OU=www.digicert.com,O=DigiCert Inc,C=US
(19:37:58) nss: subject=CN=DigiCert High Assurance CA-3,OU=www.digicert.com,O=DigiCert Inc,C=US issuer=CN=DigiCert High Assurance EV Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US
(19:37:58) nss: subject=CN=DigiCert High Assurance EV Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US issuer=CN=DigiCert High Assurance EV Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US
(19:37:58) certificate/x509/tls_cached: Starting verify for chat.facebook.com
(19:37:58) certificate/x509/tls_cached: Checking for cached cert...
(19:37:58) certificate/x509/tls_cached: ...Found cached cert
(19:37:58) nss/x509: Loading certificate from C:\Users\X\AppData\Roaming\.purple\certificates\x5 09\tls_peers\chat.facebook.com
(19:37:58) certificate/x509/tls_cached: Peer cert matched cached
(19:37:58) nss/x509: Exporting certificate to C:\Users\X\AppData\Roaming\.purple\certificates\x5 09\tls_peers\chat.facebook.com
(19:37:58) util: Writing file C:\Users\X\AppData\Roaming\.purple\certificates\x5 09\tls_peers\chat.facebook.com
(19:37:58) certificate: Successfully verified certificate for chat.facebook.com
(19:37:58) jabber: Sending (ssl) (X@chat.facebook.com/Pidgin): <stream:stream to='chat.facebook.com' xmlns='jabber:client' xmlns:stream='http://etherx.jabber.org/streams' version='1.0'>
(19:37:58) jabber: Recv (ssl)(173): <?xml version="1.0"?><stream:stream id="CDC4C8DC" from="chat.facebook.com" version="1.0" xmlns="jabber:client" xmlns:stream="http://etherx.jabber.org/streams" xml:lang="en">
(19:37:58) jabber: Recv (ssl)(176): <stream:features><mechanisms xmlns="urn:ietf:params:xml:ns:xmpp-sasl"><mechanism>X-FACEBOOK-PLATFORM</mechanism><mechanism>DIGEST-MD5</mechanism></mechanisms></stream:features>
(19:37:58) sasl: Mechs found: X-FACEBOOK-PLATFORM DIGEST-MD5
(19:37:58) jabber: Sending (ssl) (X@chat.facebook.com/Pidgin): <auth xmlns='urn:ietf:params:xml:ns:xmpp-sasl' mechanism='DIGEST-MD5' xmlns:ga='http://www.google.com/talk/protocol/auth' ga:client-uses-full-bind-result='true'/>
(19:37:58) jabber: Recv (ssl)(212): <challenge xmlns="urn:ietf:params:xml:ns:xmpp-sasl">cmVhbG09ImNoYXQuZmFjZWJvb2suY29tIixub25jZT0i OERDNjlCNkU3MTIwMUJFQjc1M0M2RDU5RDY2QzVCMzkiLHFvcD 0iYXV0aCIsY2hhcnNldD11dGYtOCxhbGdvcml0aG09bWQ1LXNl c3M=</challenge>
(19:37:58) sasl: DIGEST-MD5 client step 2
(19:37:58) jabber: Sending (ssl) (X@chat.facebook.com/Pidgin): <response xmlns='urn:ietf:params:xml:ns:xmpp-sasl'>dXNlcm5hbWU9ImNhcmxvLmNva3h4LnNjaG1pZHQiLHJl YWxtPSJjaGF0LmZhY2Vib29rLmNvbSIsbm9uY2U9IjhEQzY5Qj ZFNzEyMDFCRUI3NTNDNkQ1OUQ2NkM1QjM5Iixjbm9uY2U9IkRC dHJPaDRITVZvcFdqc2ZlRHdsS2hBdUJ5b3JZWFJBSmp0elV4Wn ZXbGM9IixuYz0wMDAwMDAwMSxxb3A9YXV0aCxkaWdlc3QtdXJp PSJ4bXBwL0NoYXQuZkFDZUJPb2suQ09tIixyZXNwb25zZT01Nm FiMWUyYThhMjMyYzBhZDgxZDZmMGI2MzU0NTg5NyxjaGFyc2V0 PXV0Zi04</response>
(19:37:58) jabber: Recv (ssl)(77): <failure xmlns="urn:ietf:params:xml:ns:xmpp-sasl"><not-authorized/></failure>
(19:37:58) sasl: Mechs found: X-FACEBOOK-PLATFORM
(19:37:58) sasl: No worthy mechs found
(19:37:58) connection: Connection error on 06B03EA0 (reason: 2 description: Nicht autorisiert)
(19:37:58) account: Disconnecting account X@chat.facebook.com/Pidgin (031B0500)
(19:37:58) connection: Disconnecting connection 06B03EA0
(19:37:58) jabber: Sending (ssl) (X@chat.facebook.com/Pidgin): </stream:stream>
(19:37:58) connection: Destroying connection 06B03EA0

Hoffentlich hat jemand ne Antwort.
PS: Die Portable-Version funktioniert auch nicht.