in protection features/safe files make sure you have protection at boot OFF. i learned the hard way! having this on disrupts onedrive when booting up your machine. what happens is when you boot up your machine it says it cannot connect to your onedrive, it keeps popping up multiple windows to sign in to it and multiple windows of onedrive file explorer. it goes on and on until you select to sign in to onedrive yourself and wants to start onedrive all over again as if you are setting up for the first time. then you have to wait for all your files and folders to sync online and go green and then when you reboot/start your machine the whole thing start all over again! having safe files protection at boot off and you will not get any more problems.