Thank you.

Have gone off the idea of W10 and will stick with W7 for the time being.

Who writes Microsoft's error messages?

Homer Simpson?

"Something happened"

Well, duh!

Using Windows Media Creation Tool 64 from here: Windows 10

Tried 4 times today to upgrade from Windows 7. The install gets to 30 something % and then crashes. Just says "something went wrong"...