Navigate to: HKEY_LOCAL_MACHINE\SOFTWARE\TecDoc (or HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\TecDoc on 64-bit systems).

To resolve “loading data failed,” a systematic check is required:

If you encountered the error:

[Paths] DataPath=D:\TecDoc\Data\ DatabasePath=D:\TecDoc\Database\ Use code with caution.

To avoid future “loading data failed” errors after TecDoc updates:

The most common cause is a local network problem or a firewall blocking the recipient endpoint, making it unreachable. Invalid XML/JSON Syntax:

The "Loading data failed: Check the configuration file" error in TecDoc can be caused by a range of issues related to the configuration file. By following the troubleshooting steps and comprehensive solution outlined in this article, you should be able to resolve the issue and successfully load data in TecDoc. Remember to verify the configuration file existence and location, check for syntax errors, update the configuration file to the latest version, validate settings, and test network connectivity. If needed, edit the configuration file manually to correct database connection settings, data source settings, or other parameters.

TecDoc often uses ODBC (Open Database Connectivity) to talk to the database. If the DSN (Data Source Name) is broken, the configuration file error appears.

To prevent the "Loading data failed" error from recurring in the future, implement these IT best practices:

: Ensure the database server is active and reachable. You can test this by performing a "ping" from your local computer to the server name where the TecDoc CATALOG database is installed.

: Look for files like config.xml , settings.ini , or wc-dataload.xml depending on your specific version (e.g., TecDoc Web Service or Local Catalog).

[Fixed] "Loading data failed — check the configuration file" error with TecDoc

: Ensure these paths exactly match the actual location of your TecDoc data files. If you recently moved the data to a new drive (e.g., from D: to E: ), update the drive letters here, save the file, and restart the application. Step 2: Check Folder and File Permissions

Windows security protocols often block applications from reading configuration data stored in the Program Files or ProgramData directories. Right-click on the on your desktop. Select Properties . Go to the Compatibility tab. Check the box for Run this program as an administrator . Click Apply and then OK . Launch the program to check if the error is resolved. 2. Verify and Repair the Configuration File

The application must have "Read/Write" access to the configuration and data folders. Right-click the TecDoc Catalog shortcut and select Run as Administrator to see if it bypasses the error. Database and Network Connectivity