Loading Data: Failed Check The Configuration File Tecdoc Fixed Verified
Modern Windows systems restrict write access to Program Files and ProgramData . If TECDOC cannot write to its log or temp files because of User Account Control (UAC) or an overzealous antivirus quarantining a DLL, the configuration fails to parse.
Open the configuration file in or Visual Studio Code . Look for: Modern Windows systems restrict write access to Program
Review logs for underlying exceptions
The "Configuration File" mentioned in the error is the bridge between these layers. It contains connection strings—specifically the database host (usually localhost or 127.0.0.1 ), the port (e.g., 3306 for MySQL), the username, and the password. When the frontend tries to load data and fails, it is almost always because the instructions in the configuration file have become invalid due to a change in the environment. Look for: Review logs for underlying exceptions The
To fix the " Loading data failed, check the configuration file To fix the " Loading data failed, check