Read GetUserDefaultUILanguage() and map to app's supported language codes.
The "Error reading language settings from the registry" issue can occur due to various reasons, including:
If you have access to another computer where AutoData Top works correctly: Use Process Monitor (ProcMon) to filter registry reads
Search for a file named regsettings.reg , Language.reg , or ClearRegistry.reg . Double-click the .reg file.
Use Process Monitor (ProcMon) to filter registry reads by the app name — it will show exactly which key it's trying to read. This is a more advanced step
Right-click the AutoData Top shortcut (on desktop or Start Menu).
If the above steps fail, you can attempt to manually reset the specific Windows registry keys that control language and locale information. This is a more advanced step. Use Process Monitor (ProcMon) to filter registry reads
Windows restricts standard user accounts from reading or modifying certain registry hives. Forcing the program to run with elevated privileges can bypass this error immediately.