I run FMP ver 5.5 with no problems. Unsure about ver 5.0
Was the WinXPPro done over the NT or was the hard drive wiped and done from scratch.
If installed over the NT, programs and drivers may have to be uninstalled, reinstalled and updated.
sato is an unknown word for me, assuming it means printer, all other apps print correctly? Connected locally or networked?
Database run single user? Database on the computer having the problem or on a server?
Wikipedia has a page on Filemaker that lists all versions and compatiblity suggestions.