Запустил в дебаг моде:
(23:12:59) oscar: oscar_login: gc = 0x28b2270
(23:12:59) dns: DNS query for 'login.icq.com' queued
(23:12:59) autorecon: done calling purple_account_connect
(23:12:59) dns: Successfully sent DNS request to child 7705
(23:12:59) dns: Got response for 'login.icq.com'
(23:12:59) dnsquery: IP resolved for login.icq.com
(23:12:59) proxy: Attempting connection to 64.12.202.116
(23:12:59) proxy: Connecting to login.icq.com:5190 with no proxy
(23:12:59) proxy: Connection in progress
(23:12:59) proxy: Connecting to login.icq.com:5190.
(23:12:59) proxy: Connected to login.icq.com:5190.
(23:12:59) oscar: connected to FLAP server of type 0x0017
(23:12:59) oscar: Username sent, waiting for response
(23:12:59) oscar: Scheduling destruction of FLAP connection 0x297dcd0 of type 0x0017
(23:12:59) oscar: Destroying FLAP connection 0x297dcd0
(23:12:59) oscar: Destroying oscar connection (0x297dcd0) of type 0x0017. Disconnect reason is 2
(23:12:59) oscar: Disconnected. Code is 0x0000 and msg is
(23:12:59) connection: Connection error on 0x28b2270 (reason: 0 description: Сервер закрыл соединение)
(23:12:59) account: Disconnecting account 46*****96 (0x24fd3c0)
(23:12:59) connection: Disconnecting connection 0x28b2270
(23:12:59) oscar: Signed off.
(23:12:59) connection: Destroying connection 0x28b2270
Есть какие-нибудь идеи?
UPD: за ночь восстановилось всё. Работает.