Loading Data Failed Check The Configuration File Tecdoc Repack May 2026

Antivirus software (notably Avast, Kaspersky, or Windows Defender) occasionally quarantines or alters .ini or .cfg files in repacks, mistaking them for script injections. Even a single wrong character—a backslash instead of a forward slash—can trigger the error.

Over the years, users on forums like Ru-Board, DD-WRT, and various auto-repair communities have shared niche fixes. Here are the most upvoted solutions:

User "AutoSlicer": "My error was caused by Windows language settings. Changed system locale to English (US) and rebooted – error gone. The repack couldn't parse decimal separators (comma vs period) in the config file." User "AutoSlicer" : "My error was caused by

User "PartMaster": "Deleted a hidden file called tecdoc.lock in the data folder. That file remains when the app crashes previously. Deleting it fixed the loading failure."

User "DieselDave": "I had to install the Microsoft Access Database Engine 2016 Redistributable. The repack used ACE drivers, not standard ODBC." User "PartMaster": "Deleted a hidden file called tecdoc

User "RetroGuy": "Ran the exe in Windows 7 Compatibility mode (even on Windows 11). Right-click → Properties → Compatibility → Windows 7. Works perfectly now."


Ensure the folder pointed to by data_path or database_path contains expected subfolders/files. A typical TecDoc repack may have: re-extract the repack archive.

If any major folder is empty or missing, re-extract the repack archive.