| Cause | Description | |-------|-------------| | | Improper shutdown, disk errors, or incomplete updates can damage the XML/INI structure. | | Wrong file path | After moving the installation folder or restoring a backup, paths in config files may no longer be valid. | | Missing data directory | The linked local database folder ( TecDocData/ ) is deleted, renamed, or inaccessible. | | Network drive disconnection | If the data is hosted on a network share (common for multi‑workstation setups), a lost mapping or permission change triggers this error. | | Version mismatch | After a TecDoc update, the config file still references an old database schema version. | | Antivirus / UAC blocking | Security software may quarantine or block write access to the config file. | | Corrupted registry keys | Some TecDoc versions store configuration paths in Windows registry (e.g., HKEY_LOCAL_MACHINE\SOFTWARE\TecAlliance ). |
The "TecDoc loading data failed: Check the configuration file" error generally indicates that the application cannot read necessary database connection parameters, often caused by incorrect file paths, corrupt config files, or inadequate user permissions. Troubleshooting involves verifying the tecdoc loading data failed check the configuration file
By systematically checking these four areas——you can usually resolve the "Loading data failed" error without needing a full reinstallation. | Cause | Description | |-------|-------------| | |