are field lables or values appearing in french? I guess issue is with field lables only. Can you please post screenshot?
Did you also observed same behavior after upgrading to 9.1.04 or it's only observed after applying 9.1.04.002 (AR + CMDB) ?
As per Ganesh, it will be helpful if you post screenshot.
Also could you answer Yogesh query.
Is your environment English only or all locales.