Info gleaned from Use Verbose Boot Messages to Troubleshoot Windows Startup Problems by Lowell Heddings.
Afterwards open “notepad.exe %SystemRoot%ntbtlog.txt”.
Enable Verbose Service Startup/Shutdown Messages
- Open up regedit.exe
- HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionPoliciesSystem
- create a new 32-bit DWORD on the right-hand side named VerboseStatus, giving it a value of 1.
- Reboot.