I use Vista Home Premium and the only bug i have with alice is when i go to add a new object and i'm scrolling through whatever picture (or frame or whatever it's called) that was on the right edge of the screen drags.
example:
[--------------------------=]
..................................^
this is the last frame:....|
it does this:
[===============]
you can see a better example at:
http://www.youtube.com/watch?v=UMPOSwaQdjg
at 0:46