Na windows
otworzć cmd w trybie administratora
net stop w32time
w32tm /unregister
w32tm /register
net start w32time
w32tm /resync /force
w32tm /resync /nowait
w32tm /query /status
otworzć cmd w trybie administratora
net stop w32time
w32tm /unregister
w32tm /register
net start w32time
w32tm /resync /force
w32tm /resync /nowait
w32tm /query /status