She has no work or school account! She's 86. Last time she worked, computers were the size of a house and she wasn't involved with them. Last time she was at school, a computer was an abacus.
She...

Thank you for trying to help, and I appreciate that what you describe is how it should work.
That is why I'm so frustrated and cannot understand what is actually happening.
I am the owner of the...

It is most confusing. I'm tearing my hair out.
The second image is from outlook on the web - Microsoft seems to think that she has a work or school account! It insisted on offering that login. Then...

Sorry you didn't read it because I covered those points. She has no school or work account or relationship. She's only using a family invite from my personal Microsoft 365 account.

Windows 10 v21h1
Office 365 shared from me when she got a new computer back in March.
Everything used to work beautifully.

Now using the downloaded Outlook programme, she gets "You can't sign in...

Thanks dalchina.
Unfortunately as you say, that isn't really feasible - especially considering that the computers aren't mine, but belonging to friends and relatives that I help out. As such, they...

Is there a way in Windows 10 to prevent apps and programs from opening more than one instance? I am aware of a very few that have an internal setting to prevent this (eg Irfanview), but most do not....

Thanks, but N/A. Disk 3 is the one I had been having problems with that I hda solved. Disk 4 is the additional flash drive that I'd used as a bootable Ubuntu but now wanted back for other use.

...

Oops. That is why I generally avoid the command line. You can make significant problems if you do it wrong. Thanks for pointing it out - I kept reading and obviously read what I expected not what...

I feel my problems with this thread were brought about by using the media creation tool, which did stuff to the usb that windows 10 could not undo. In terms of Windows 10, I am still on Build 10240,...

Thank you everyone for your suggestions. Windows 10 itself could not fix this. Disk manager options (certainly any I wanted) were greyed out.

So I did download and install MiniTool Partition...

Firstly - thank you cerberus for your information and instructions. No asterisk anywhere. Have I some settings I should have enabled?

That seems to work well. I now have an empty USB disk - Disk...

Doesn't work. delete is greyed out.
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I am now going to try cerberus's Command promt method.

Sorry I don't understand. How would 8GB work? The ESD_USB created only has 21.1GB free out of 31.9GB. The difference is over 10GB.

I will look at this tomorrow after I am rested. I keep...

Thanks. I couldn't see further replies as I responding to smitty. If my attempt ever finishes but cannot proceed using Disk Manager I will try command prompt but that is easier to type a leter or...

Sorry - I guessed that your first question would arise, so updated my post, only to find that you'd already asked it.

I'm now annoyed with myself becasue before I posted I pressed WINDOWS KEY and...

My usb sticks were either 8GB of less, and 64GB, so when using the media creation tool to upgrade Windows 10.240 to the November update which failed, I had used my 64GB disk.
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However, I...

No. I had to look up what N (EU) version meant. The explanation shows a drop down of languages utterly unlike the list I am shown when running the tool, which looks unlike the screenshot shown and...

Thanks for trying to help.
The option i'm given is US. I can download that, and based on my initial upgrade experience, it will change several settings to US from UK.
When i did the other route of...

Microsoft Windows [Version 10.0.10240]
(c) 2015 Microsoft Corporation. All rights reserved.

C:\WINDOWS\system32>dism /online /get-intl

Deployment Image Servicing and Management tool
Version:...

The November update failed through Windows update, twice; then I tried the Media Creation Tool using recommended settings back in December. It too failed, and in doing so did not quite revert back...