Reminders and no safe-mode

My new HP laptop 15-au123cl often reminds me:

MS Account
You need to fix your MS Account for apps on your other devices
to be able to launch apps and continue experience on this device.


On MS I have one ACCOUNT: Honglin Zhao, [email address removed]
Qui??2ff.

I really can’t understand what the mistake of my ACCOUNT has??!!

By the way, my pc persists a trouble: it can’t not boot into SAFE_MODE.
It prompts:

This app can’t open.
Tips can’t be opened using the build-in Administrator account.
Sign in with a different account and try again.


Are there any connection between the two-trouble?!

Hope to have your instruction. --- Zhao
 
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