Hello there,
Are you using a task scheduler? This event is logged when the task Scheduler launches the instance of task due to the user locking the computer.
Also bug Check Code 0x124 maybe indicate a hardware problem, please read how to diagnose and hopefully to fix them in the following wiki https://answers.microsoft.com/en-us/windows/forum/all/bugcheck-code-124/98c998d2-447a-40ce-ae1f-8211e355f14d
Hope this resolves your Query !!
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