This file contains encrypted login credentials that are used to re-establish the login session after an auto-restart without the user having to actually login again (or do their 2FA acknowledgement for a live account).
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It looks like this file may have been corrupted somehow. After deleting it, when you run IBC again it will do a normal automatic login, and hopefully all will be well after that. If not, let me know and we¡¯ll have to collect some diagnostics.
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But can you please also make sure you¡¯ve got the latest offline version of 10.30, as there do seem to have been some problems with it recently.
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By the way, are you aware that you have to let TWS shut down completely on Sundays? I note that you have ClosedownAt=Saturday 08:00 in your config.ini. If you restarted it later on Saturday, and then let it run through to Monday, you would be failing to comply with this requirement ¨C it has to be Sunday! Eventually you would then get something like what you experience, although the log messages don¡¯t seem to be quite what I would expect.
