Hi. On purge, the package doesn't clean up correctly: Removing os-prober (1.64) ... dpkg: warning: while removing os-prober, directory '/var/lib/os-prober' not empty so not removed $ ls -al /var/lib/os-prober/ total 13k drwxr-xr-x 2 root root 4,1k Oct 8 01:41 . drwxr-xr-x 89 root root 4,1k Oct 8 01:31 .. -rw-r--r-- 1 root root 10 Oct 8 01:41 labels Cheers, Chris.