Please look at these JForex 2.24.19 messages:

Too many big requests
2013-05-12 23:41:40 Reconnecting...
Operation timeout
2013-05-11 23:10:28 Disconnected.
Operation timeout
2013-05-11 23:10:15 Reconnecting...
2013-05-11 23:09:52 Disconnected.
Operation timeout
2013-05-11 21:09:21 Reconnecting...
2013-05-11 21:08:55 Reconnecting...
2013-05-11 21:08:04 Reconnecting...
2013-05-11 21:07:52 Reconnecting...
2013-05-11 21:07:29 Disconnected.


What does the first message mean?
It seems like your server is overloaded. This JForex is running on a vServer from Strato.
Is there any connection with the working stop I mentioned in viewtopic.php?f=85&t=49107 ?