There may be an issue with the sqllocaldb user database v11.0 during the install. You need to recreate it (see below).
As far as I'm concerned, my first install attemp left some files in my c:\users[user] directory :
- WAStorageEmulatorDb30.mdf
- WAStorageEmulatorDb30_log.ldf
(Your version numbers may differ.) The sqllocaldb logs would mention these files still existed and it would not erase them.
I just deleted them manually. Recreated the v11.0:
- sqllocaldb stop v11.0
- sqllocaldb delete v11.0
- sqllocaldb create v11.0
And reinstalled.