To make the Hungarian characters (Ő, Ű, Á, É) display correctly instead of squares, you must apply a hotfix registry edit:
Before we dive into the language settings, it is worth asking: why is the 3.38 version still so widely used in 2024?
While newer, cloud-based versions of Autodata exist, the 3.38 build (often based on the 2011/2012 database) remains a favorite for several reasons: