Puoi riportare il .log?
`This is XeTeX, Version 3.1415926-2.2-0.9997.4 (MiKTeX 2.9) (preloaded format=xelatex 2011.1.10) 10 JAN 2011 18:50
entering extended mode
**prova.tex
(D:\Luigi\Documents\LaTex\prova.tex
LaTeX2e <2009/09/24>
…
[color=red]Missing character: There is no in font Webdings/ICU!
Missing character: There is no Ì in font Webdings/ICU![/color]
[1] (D:\Luigi\Documents\LaTex\prova.aux) )
Here is how much of TeX's memory you used:
9923 strings out of 429293
173819 string characters out of 3169430
246213 words of memory out of 3000000
13133 multiletter control sequences out of 15000+200000
3672 words of font info for 18 fonts, out of 3000000 for 9000
669 hyphenation exceptions out of 8191
38i,4n,35p,496b,157s stack positions out of 5000i,500n,10000p,200000b,50000sOutput written on prova.pdf (1 page).
`
Prova con \char”F0CC invece di \char204; le righe in rosso però mi fanno sospettare che tu non abbia scritto come dicevo io.
Ciao
Enrico