Updated PS4......after installation once turned off then turned back on asks software update AGAIN....please help

I have recently updated the PS4 to a 1TB I have downloaded the software update and reinstalled ALL games. No issues at first.
After approx 5hrs of playing turned off system in normal way. Turned system on in the morning and it was blank…asking for the system update so needless to say very very angry…-lease help any suggestions.