ho riemerso amsn e tk_theme ma ancora nulla

codice:
hitman@localhost ~/Desktop $ amsn
Application initialization failed: this isn't a Tk applicationunknown color name "Black"
Error in startup script: this isn't a Tk applicationunknown color name "Black"
    (default value for "-highlightcolor" in widget ".")
    invoked from within
"load /usr/lib/tk8.4/../libtk8.4.so Tk"
    ("package ifneeded" script)
    invoked from within
"package require Tk"
    (file "/usr/bin/amsn" line 46)


ps:cos'e quel pallino nero nella busta del mio post?