Your computer has a BSOD (Blue Screen Of Death) with error 0x00000054.

NOTE: If the computer automatically reboots, your event log may contain:

Event Type: Information
Event Source: Save Dump
Event Category: None
Event ID: 1001
Description: The computer has rebooted from a bugcheck.
             The bugcheck was: 0x00000054 (0x003612ca, 0xf2688d00, 0x00000000, 0x00000000).
This can occur if you have a drive letter assigned to an unformatted partition.

To resolve the issue, perform any of the following:

- Remove the drive letter.

- Format the partition.

- Delete the partition.