Blank autocomplete in Scite-EZ

Hi,

I'm using Scite-EZ on Vista Home Premium. Everything works fine (like on my preivous XP), except that the auto-complete "tooltip" (e.g. the overlay that appears when you start typing a variable name that you have already defined previously) is blank, or sometimes the tooltip area is transparent (with a border), so the words below show right through.

If I press TAB, the correct word/variable is entered automatically. Only I can't see what the word is before I hit TAB.

Any ideas?

No ideas other than to say that it's Vista related. I use Scite on Vista Home Premium and XP Professional and experience the same issue on my Vista installation but not my XP installation.