(1) NT sometimes does not start but freezes when showing NT Logo and control center - other elements of workspace, i.e. charts and DOM do not show up. NT then has to be removed from the Windows task manager. The second trial to start NT usually works.
(2) Sometimes NT does not connect to Interactive Brokers (Connection would not turn green). Shutting NT down without saving workspace and restarting it solves the problem.
(3) When loading backfill NT sometimes halts when saving the data. The "Saving...." popup remains on top indefinitely. No more data loading is possible after this incident. Shutting down NT without saving workspace and restarting it again solves the problem. This issue is not related to slow backfill of IB.
(4) I have three connected charts in my default workspace. When I change instruments, sometimes only one of the three charts shows up while the other two charts will produce empty frames. The empty charts can not be repaired as they do no more respond to clicks with the right mouse button. Only way to get back the charts is to shut down NT without saving the workspace and restart it again.
(5) When I modified the target of a bracket order on the chart trader today, the target did not move but simply changed colours from green to orange, never went green again. The new target was not moved on the charts and not accepted by TWS. After this I could not enter any more orders into NT. I had to restart both TWS and NT to solve the problem.
All these problems have in common that NT locks itself, when performing a task, in particular
- starting NT
- connecting to TWS
- saving downloaded backfill
- changing instruments of connected charts
- transmitting orders to TWS
All of the incidents only occur occasionally, all can be solved by shutting down NT and restarting it, and only (5) is really annoying. For (5) it is not clear whether it is caused by NT or the API of TWS.
Do you have any ideas what eventually could have produced the incidents?
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