The point is that we need more data to analyse the cause of the problem. That is why I was trying to get the Bugcheck data. But if you had no other restart, then I guess we are not yet at that point. So let's wait until the event occurs again and hopefully we'll get the data. Here is an explanation (from Wikipedia) what this is all about.
When a bug check is issued a
crash dump file will be created if the system is configured to create them. This file contains a snapshot of useful low-level information about the system that can be used to debug the root cause of the problem.
If the user has enabled it, the system will write an entry to the system event log. The log entry contains information about the bug check (including the bug check code and its parameters) as well as a link which will report the bug to Microsoft and provide the user with prescriptive suggestions if the cause of the check is definitive and well-known.
Next, if a kernel debugger is connected and active when the bug check occurs, the system will break into the debugger where the cause of the crash can be investigated. If no debugger is attached, then a blue text screen is displayed that contains information about why the error occurred, which is called a
blue screen or
bug check screen.
The user will only see the blue screen if the system is not configured to
Automatically Restart. Otherwise, it appears as though the system simply rebooted (though a blue screen might be visible for just an instant).
