Hi Paolo,
My operating system is Windows Vista and the favorites.xml is 122 KB. When is clicked on the favorites.xml file, I got an error messages saying that it could not be found (I don't know if it's supposed to do that or not, though.)
Here is the info from System Information:
Configuration Summary
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Operating System Windows (6.00.6002)
Internet Explorer 9.00.8112.16421
MSN Client 10.20.0091.1100
MSN Market en-us
MSN Brand MSN [MSNI]
MSN SKU MSN Premium
Default E-mail Program Windows Mail
Amount of Memory 2.00 GB
Free Disk Space C: 109 GB, D: 1.74 GB, G: 138 GB
Component versions
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msn.exe 10.20.0091.1100
msnmetal.dll 10.20.0091.1100
msnmtllc.dll 10.20.0091.1100
msdbx.dll 10.20.0091.1100
msnap.dat 9.05.6001.0001
msnap.dll 1.00.4611.0000
sqdll.dll 17.00.0000.0712
update.exe 10.20.0091.1100
shdocvw.dll 6.00.6002.18392
qmgr.dll 7.00.6002.18005
dw15.exe 10.00.4413.0000
dwintl.dll 10.00.2625.0000
canvas.dll 2.00.0432.0000
connectr.dll 2.00.0432.0000
logonmgr.exe 2.00.0432.0000
msncc.exe 2.00.0432.0000
msnccore.dll 2.00.0432.0000
slhelper.dll 2.00.0432.0000
msninst.exe 10.20.0611.0000
msninst.dll 10.20.0611.0000
msnsign.dll 10.20.0611.0000
market.mar 10.2011.0711.22
Windows Media Player 11.00.6000.6324
Windows Live Messenger 15.04.3538.0513
Macromedia Flash 11.02.0202.0235
msndyn.mar 10.2012.0501.00
mssp7en.dll 14.00.4763.1000
mssp7en.lex 14.00.4763.1000
Roaming Versions
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Favorites 2.0
Settings 2.0
Mail Settings 2.0