Windows Upgrade Help and more

This happened to me. I had to temporarily disable the Ubuntu partition in Disk Management from within Windows 10 before the upgrade would finally go through.

This. You could also try using a dedicated backup tool like Macrium Reflect Free for a more straightforward, complete image of your drive. Another option is to temporarily move your essential files to a cloud service like OneDrive, which often syncs your Desktop and Documents folders already. Let me ...