Autodata Error Reading The Language Settings From The Upd ((link)) 〈CERTIFIED × Breakdown〉
The Frustrating Experience with Autodata's Language Settings
How to Fix the "AutoData Error Reading the Language Settings from the UPD" (Step-by-Step Guide)
Try these quick checks first. Many users solve the issue in under 2 minutes.
C:\AutoData
C:\ProgramData\AutoData
Solution #2: Change Windows System Locale to Match AutoData