It seems that they introduced a new captcha version. They now don't ask for a math calculation, but for two words. The bot was now two times unable to solve it (captcha not found error in log, but captcha was present in Browser)
Logfile snipet
Code:
20.02.2013 17:46:24 20.02.2013 17:46:24 Captcha notification detected
20.02.2013 17:46:40 20.02.2013 17:46:40 Waiting for captcha
20.02.2013 17:46:55 20.02.2013 17:46:55 Waiting for captcha
20.02.2013 17:47:10 20.02.2013 17:47:10 Waiting for captcha
20.02.2013 17:47:25 20.02.2013 17:47:25 Waiting for captcha
20.02.2013 17:47:40 20.02.2013 17:47:40 Waiting for captcha
20.02.2013 17:47:55 20.02.2013 17:47:55 Waiting for captcha
20.02.2013 17:48:10 20.02.2013 17:48:10 Waiting for captcha
20.02.2013 17:48:25 20.02.2013 17:48:25 Waiting for captcha
20.02.2013 17:48:40 20.02.2013 17:48:40 Waiting for captcha
20.02.2013 17:48:55 20.02.2013 17:48:55 Waiting for captcha
20.02.2013 17:49:10 20.02.2013 17:49:10 Waiting for captcha
20.02.2013 17:49:25 20.02.2013 17:49:25 Waiting for captcha
20.02.2013 17:49:40 20.02.2013 17:49:40 Waiting for captcha
20.02.2013 17:49:55 20.02.2013 17:49:55 Waiting for captcha
20.02.2013 17:50:10 20.02.2013 17:50:10 Waiting for captcha
20.02.2013 17:50:25 20.02.2013 17:50:25 Waiting for captcha
20.02.2013 17:50:40 20.02.2013 17:50:40 Waiting for captcha
20.02.2013 17:50:55 20.02.2013 17:50:55 Waiting for captcha
20.02.2013 17:51:10 20.02.2013 17:51:10 Waiting for captcha
20.02.2013 17:51:26 20.02.2013 17:51:26 Captcha detected IE8
20.02.2013 17:51:26 20.02.2013 17:51:26 Can't find captcha, retry.
20.02.2013 17:51:41 20.02.2013 17:51:41 Captcha detected IE8
20.02.2013 17:51:41 20.02.2013 17:51:41 Can't find captcha, retry.
20.02.2013 17:51:56 20.02.2013 17:51:56 Captcha detected IE8
20.02.2013 17:51:56 20.02.2013 17:51:56 Can't find captcha, retry.
20.02.2013 17:52:11 20.02.2013 17:52:11 Captcha detected IE8
This continues until manually solving the captcha