Look for registry keys named DataPath , ServerPath , or Database .
Did the error happen right after a or after moving files to a different drive?
Never edit the config file in WordPad or Word — always use or Notepad++ to avoid hidden formatting characters.
Are you using or another database engine? Look for registry keys named DataPath , ServerPath
TecDoc repacks use a specific configuration file to map file paths and server ports. Depending on your repack version, look for one of these files in the installation folder: config.ini settings.xml tecdoc.ini dbconfig.json Open the file using Notepad or Notepad++.
Windows has a 260-character path limit. If your TecDoc repack is buried inside folders like C:\Users\YourName\Downloads\Software\CarTools\Repacks\TecDoc_2024_Final\Extracted\Data\ , the database path exceeds the limit.
Ensure Transbase or Firebird services are explicitly running. Update paths inside HKLM\SOFTWARE\WOW6432Node\TecDoc . Permissions Are you using or another database engine
Critical setup files like TECDOC_CD.INI or config.ini are missing, empty, or misnamed.
Some TecDoc repacks use index files ( .idx , .dat ) or cache folders to speed up loading. Corruption here can cause the loader to halt without clear error, defaulting to “check configuration.”
If you have a Stop_DB.bat and Start_DB.bat file in your installation folder, use them in that order to restart the database. Windows has a 260-character path limit
TecDoc is a comprehensive electronic catalog of non-original spare parts and accessories for cars and trucks, developed by TecAlliance. It is the global standard for parts data in the automotive aftermarket, containing information from over 1,000 manufacturers. The error message "Loading data failed, check the configuration file" is a notification that the TecDoc application is unable to access or read the core data files necessary for its operation. This can happen for a range of reasons, from simple user errors to more complex system-level conflicts.
What does this specific repack use (e.g., Transbase, Firebird, or SQL)?