Ja bohuzel nejsem schopen zjistit, na cem se to sekne uz predtim.
Jestli ti jde jen o to, tak se podivej pres Sysinternals "Recording Reboot Cycle / trace, using Process Monitor" : https://blogs.technet.microsoft.com/robertsmith/2017/07/19/an-easy-way-to-measure-computer-reboot-and-logon-times/
* Tak si to muzes zjistit do puntiku.