Loading Data Failed Check The Configuration File Tecdoc New Link Jun 2026

Close all TecDoc processes via the Windows Task Manager ( Ctrl + Shift + Esc ). Press Win + R , type %appdata% , and press . Locate the TecDoc or TecAlliance folder.

The error message "Loading data failed, check the configuration file" loading data failed check the configuration file tecdoc new

Inspect the data files themselves

The TecDoc application relies on certain core Windows components to function correctly. If these are missing or outdated, it can lead to the loading error. Close all TecDoc processes via the Windows Task