Why is my mac extremely slow when i power it on?

hi, everytime i shut down my mac (because i’m not using it anymore) and power it on the next day, it starts acting like it doesn’t have root patches installed, and then when i go to install root patches because that’s the only way it’ll be working normally it tells me “failed sanity check” and then goes on to talk about how i need to make sure i don’t have any pending updates.

my mac literally lags when i try to do anything, when i minimise an app it freezes and starts pixelating and the writing is darker and grey. what do i do?

submitted by /u/North-Initiative-697
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