I have a laptop which seems to be running safeboot 4.2
and just before it gets to the login screen this error appears
I was thinking of performing a machine recovery
But i'm also getting this error message when reading from disk
internal file system integrity failure safeboot
As you are not getting Safeboot Login Screen you cannot perform Machine Recovery. And also you are not able to authenticate from SBFS you have to use *.SDB file exported from the server and perform emergancy boot.