Ensure the drive letters and folder paths match where the data actually resides. If you moved the data to a D: drive but the config file points to C:, the loading will fail. Step 2: Run as Administrator
If you are on a Linux server, check the permissions of the configuration file.
Check the column. If it is blank, right-click the service and select Start . loading data failed check the configuration file tecdoc best
This is arguably the most widespread cause of the "Loading Data Failed" error for TecDoc 2020 users. Microsoft's Security Update for .NET Framework (KB5011048) has been identified as breaking the compatibility layer that older versions of TecDoc rely on. If TecDoc worked yesterday but fails today, automatic Windows updates are likely the culprit.
C:\Program Files (x86)\TecDoc\ or C:\TecDoc\ Ensure the drive letters and folder paths match
In this case, the configuration file is fine—the password simply needs updating.
Always create a duplicate of your configuration files before applying any TecDoc quarterly data updates. Check the column
You must replace the drive letter ( D: ) with the actual drive where your TecDoc folder is located (e.g., C: ). Do not use relative paths; use absolute paths.
What or server environment is hosting the catalog?
If a manual path adjustment inside the configuration file does not resolve the issue, the Windows Registry may still host broken path records. Press Windows Key + R , type regedit , and hit .