Hello,
I suggest that check the system event log about event id 1001. Check the bug check code message.
Meanwhile, check for update, if any security update could be found, install it firstly.
Then perform a clean boot.
How to perform a clean boot in Windows - Microsoft Support
Since the issue is complex and it's related to important data, for an in-depth analysis of dump files it's recommended to open a case with MS, so that they have more channel to access your environment to do detailed check and provide more efficient support. Below is the link to open a case with MS: https://support.microsoft.com/en-us/gp/customer-service-phone-numbers
Best Regards,
Hania Lian
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