Causes of error status 0xc000000f in windows boot manager
Crashed operating operating system boot manager, as a result of improper shutdown .
Resolution
Boot the computer with the respective operating system (windows 7)
Select repair computer
Using command console
type chkdsk /f /r and enter yes at prompt
Bootrec.exe /fixmbr
Change the the directory to that of the your system (c:)
