Windows 10: many multiples of Sign in to your account under intalled apps

When I go into Installed apps, I have at least 50 occurrences of Sign in to your account login microsoftonline.com

:)

 

App Store sign-in error, 0xD000000D

Hi Suzanne,

There's a possibility that you are currently signed in on your computer using your local account. For us to sort this out, we suggest that you sign in with your Microsoft account instead. Follow these steps:

• Open Settings > Accounts > Your email and accounts.
• Select Sign in with a Microsoft account instead.
• Follow the on-screen instructions.

Once signed in with your Microsoft account on your computer, try signing into the Windows Store app.

Update us with the result.

Regards.

 

Signing into Onenote app converts local account to microsoft account

Steps:

• Sign into a local account
• Open the OneNote app (tablet not desktop app)
• Sign in to this app with a Microsoft account

The local account is then converted into a Microsoft account with that identity.

This is wrong and unexpected behaviour as no indication is given that the sign in is for the whole of windows rather than just OneNote.

It is also hard to revert.

I am guessing that other apps may exhibit the same behaviour.

In fact I don't understand how an app (which is supposed to be sandboxed and secure) can change user account information.

 

Mail app only working when signed in under Admin account


Upgraded from Windows 7 about two months ago, but this just started a few days ago.
Tried to read my email and found that I could not use the mail app when signed in under my User account. (previously worked fine.)
If I sign in under my Admin account, the mail app works normally.
I've tried deleting and reinstalling the mail/calendar app, and now I don't even have the icons to launch them- not even listed on the start menu, except when using the Admin account.
Is there another way to launch or repair the app?
Any suggested fixes?
Don't want to keep having to sign in as Admin just to read my email.
Thanks!