Tecdoc Loading Data Failed Check The Configuration File _best_ [ 2025-2026 ]

TecDoc: "Loading data failed – check the configuration file" – How to Fix It

If you see the error "Loading data failed. Check the configuration file" when starting TecDoc, it typically means the application cannot read or access its configuration settings properly. Follow these steps to resolve the issue.

Example fixes for common scenarios

• Config JSON missing database block:
• Check for network/firewall blocking or proxy requirements.

With this guide, your workshop can minimize downtime and keep parts flowing, even when TecDoc throws its most cryptic error. tecdoc loading data failed check the configuration file

If you recently edited your config.xml or similar settings file: TecDoc: "Loading data failed – check the configuration

Scenario C: Permission & Privilege Issues (Windows 10/11)

Windows User Account Control (UAC) often blocks legacy software from reading files in the Program Files directory. Even if the configuration file is correct, the software cannot "see" it because Windows blocks the read request. Config JSON missing database block: