>But when I reboot my computer, the fonts I was added disappear from windows system, and I can not use it in other apps (WORD, EXCEL, ...) and VFP apps.
Ah, I fondly remember the lively debate between the now-departed Mr. Rauh and myself about the need to add a registry entry to get this to persist across reboots. Try
this MSFT KB article, it has the necessary code to get your font to persist.
Mike Stewart