As Max Green suggest @
http://answers.microsoft.com/en-us/insider/forum/insider_wintp-insider_desktop/having-problems-with-startup-using-build-14267/854c4342-2d59-4415-9a68-a60874bd7dfb
You could try turning off fast startup and see if you get the startup issue.
1. Right-click start, Power Options
2. Click Require a password on wakeup
3. Click Change settings that are currently unavailable
4. Untick [ ] Turn on fast startup
5. Click [Save changes] button
6. Shutdown
7. Start your computer and login.
Post in Windows Feedback as upvote.