: Confirm that you are pointing the utility to the correct main configuration file (e.g., wc-dataload.xml ) rather than a secondary component file. Check Partner Settings : For TecCom-related environments, verify that the Buyer Number Supplier Number in your network settings are correct. Confirm Permissions

The error "Loading Data failed. Check the configuration file exclusive" is rarely about corrupt data. It is almost always a or a Conflict Issue .

The database is marked as "exclusive," meaning another process or user has locked it, preventing access.

Windows Update will try to reinstall the KB5011048 update. To prevent this, you must hide it.

Few error messages strike more dread into the heart of a parts professional than the dreaded:

FileStream fs = new FileStream("tecdoc.conf", FileMode.Open, FileAccess.Read, FileShare.None);

Right-click the file, select , and ensure the Read-only attribute at the bottom is unchecked .

When TecDoc initializes, it references its central configuration file (often named tecdoc.ini , config.xml , or similar registry links) to locate its massive catalog database.

(Read/Write/Modify) over the TecDoc installation directory and the Resolve Resource Lock

Ensure the parameter for exclusive access is set correctly. If you see a line like Exclusive=1 , change it to Exclusive=0 to allow multi-user or standard local access. Save the file and restart the application. Step 4: Restart the Firebird Database Service

: Security software flags the database engine's local data-loading behavior as suspicious and blocks it. Step-by-Step Troubleshooting Workflow