SQL server process failed to start

Problem

sql server network instances error “sql server process failed to start”

Solution

From an elevated Command Prompt:
c:\sqllocaldb delete “v11.0”
LocalDB instance “v11.0” deleted.
c:\sqllocaldb create “v11.0” -s
LocalDB instance “v11.0” created with version 11.0.
LocalDB instance “v11.0” started.