[...]
ok: cask vagrant-manager
ok: cask virtualbox
missing: cask virtualbox4330101610
Warning: A Cask for virtualbox4330101610 (!) is already installed. Add the "--force" option to force re-install.
verifying : cask virtualbox4330101610
* failed
missing
brew-cask provides a friendly homebrew-style CLI workflow for the
administration of Mac applications distributed as binaries.
Commands:
audit verifies installability of Casks
cat dump raw source of the given Cask to the standard output
cleanup cleans up cached downloads and tracker symlinks
create creates the given Cask and opens it in an editor
doctor checks for configuration issues
edit edits the given Cask
fetch downloads remote application files to local cache
home opens the homepage of the given Cask
info displays information about the given Cask
install installs the given Cask
list with no args, lists installed Casks; given installed Casks, lists staged files
search searches all known Casks
uninstall uninstalls the given Cask
update a synonym for 'brew update'
zap zaps all files associated with the given Cask
See also "man brew-cask"
ok: cask vlc
ok: cask wireshark
[...]