Login freezes in the Finder, at the Spotlight icon?

sudo bash -c 'rm -rf /System/Library/Caches/com.apple.ATS* /Library/Caches/com.apple.ATS/* /System/Library/Caches/fontTablesAnnex; shutdown -r now'

# must be on a single line
# I just tweaked it a bit; credit to the Russian Bear :)