It could have been that your profile wasn't loading properly but did the second time. Hopefully it's a one off.
I would create a local admin account, call it something like maintenance, just as a backup, if anything goes wrong.
This thread is now locked and can not be replied to.
How to get Windows 10 now: how to download and install Windows 10 even if GWX.exe is missing
Why Vodafone’s frequency choice should interest you: The benefits of 800MHz
Digital visionaries discuss Designing the Future
OS X Yosemite vs Windows 10: The Mac and PC operating systems go head to head UPDATED