Autodata relies heavily on the Windows Registry to store configuration paths, license data, and—crucially—language preferences. This error pops up when:

. This is critical for the software to access and write to the Windows Registry. Additional Troubleshooting Disable User Account Control (UAC)

Provide:

⚠️ Do not change other registry values unless you know what they do.

In the tab, set the Format to English (United States) .

Navigate to: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Nls\Language . Ensure the value is set to 0409 (English US). Autodata Installation Guide for Windows | PDF - Scribd