Lock and Exit
Instructions
Use the Lock and Exit configuration page to define auto lock and exit options such as whether or not you want a confirmation message before the application closes.
To define lock and exit configuration settings, please take the steps outlined below.
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For Mosaic - Click the File menu in the top left corner.
For Classic TWS - Click the Edit menu in the top left corner.
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Click Global Configuration.
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Click Lock and Exit in the left pane.
Lock and Exit Parameters

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Lock trading system after ___ minutes of inactivity - Locks your workstation if no activity has occurred for a defined number of minutes. Once locked, you must unlock the application using your system password.
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Never lock trading system - check to remove auto-locking mechanism. Note that you can manually lock the workstation at any time by selecting Lock Application from the File menu.

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Warn on exit with position - Check to display a warning message when you exit that lets you know you are holding positions, and verifies that you still want to exit.
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Prompt when exiting - Check to have the system display a confirmation message "Are you sure you want to exit?" before shutting down the application.
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Auto save settings - Check to have any changes to your settings, including the addition of new tickers or Quote pages, automatically saved.
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Use/Store settings on server - check to save the latest settings to the server, and to download the latest settings from the server on login. Checking this feature ensures that the trading system will always have the same content when you log in regardless of the machine you are using.
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Save watchlists to cloud - check to save your watchlists to the cloud. These watchlists are then available in IBKR Mobile.
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Save market scanners to cloud – Check to save your Market Scanners to the cloud to make them available in IBKR Mobile.

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Set Auto Log Off Time - Specify a time of day for the system to automatically log off. You must specify a time.
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Set Auto Restart Time - Specify a time of day for the application to automatically restart (without authentication requirements). Please review auto-restart considerations before using this feature.
Additional Resources
Learn About Global Configuration in Trader Workstation at IBKR Campus