Look for the DataPath or DatabasePath line in your config file. Ensure it points to the actual folder containing the TCD files.
Open the identified configuration file using a text editor like Notepad. Look for structural headers such as [Database] , [Paths] , or [Server] .
Run this batch file whenever the error appears.
If the config file size is 0 KB, it is corrupted. tecdoc loading data failed check the configuration file
Turn off real-time protection for 5 minutes and launch TecDoc. If it loads, add the entire TecDoc installation folder to your antivirus exclusion list.
Which are you running (e.g., local desktop DVD, network installation, web API)?
If your catalog relies on a local engine or SQL instance, verify that the backend engine is running. Look for the DataPath or DatabasePath line in
The user running TecDoc lacks read/write permissions for the config file. Step-by-Step Troubleshooting Guide
Ensure absolute paths match your current drive architecture (e.g., D:\TecDoc\Data\ instead of a legacy C:\ partition). 2. Confirm Database Connectivity and Drivers
Is this a installation or a network/server setup? Look for structural headers such as [Database] ,
Are you using a of the TecDoc catalog or integrating it into an e-commerce website via API?
Many workshops store the master TecDoc data on a network server. If the drive mapping fails (e.g., the network share is now \\Server\TecData but the config still points to Z:\TecData ), the loading process fails instantly.
Ensure your local workstation can ping the server. Open Command Prompt and type ping [Server_IP_Address] .