These are the most common errors with the Windows 10 upgrade and how to fix them

[Windows Central]

Windows 10 was made available on July 29 and since then millions of people have been upgrading. Microsoft has made it very easy to upgrade by letting users reserve their free copy of Windows 10 using the app or by grabbing the ISO files to perform a clean installation of the operating system. However, not everyone is having a smooth upgrade experience.

Full story from the WindowsCentral blog...