The most common culprit is an unclean shutdown of a previous session. Press Ctrl + Shift + Esc to open the . Click on the Details tab.
This suggests that the configuration file—which tells the software where the database is located and how to connect—is either incorrect, missing, or blocked [2]. The word "exclusive" often implies a file locking issue , where another process is already accessing the file, preventing the current session from opening it [2]. Top Causes of the Error
The "Loading data failed, check the configuration file" error, while frustrating, is often a straightforward problem to solve. The most effective solution for most users is the removal of the conflicting Windows update KB5011048 (or KB5029716). If that doesn't work, methodically checking the file paths in your configuration file, repairing the .NET Framework, or performing a clean reinstallation should bring your TecDoc software back online.
The "TecDoc loading data failed, check the configuration file" error is a common roadblock, but with a systematic approach, it is almost always fixable. By verifying your file paths, removing the problematic Windows update, and ensuring all necessary dependencies are installed, you can resolve this frustrating error and get your workshop's most important parts catalog running again. The most common culprit is an unclean shutdown
The configuration file ( .ini or .xml ) points to an incorrect or unreachable drive letter.
If the paths are correct and you're still seeing the error, the culprit is often a specific Windows update that makes TecDoc forget the configuration. This is an exclusive and effective solution. Here’s how to remove it:
Open your antivirus software (such as Windows Defender, Avast, or Kaspersky). Add the entire TecDoc installation directory and the database directory to the Exclusions/Whitelisting list. Step 3: Inspect and Repair the Configuration Files This suggests that the configuration file—which tells the
How to Fix "TecDoc Loading Data Failed: Check the Configuration File Exclusive" Error
In many enterprise setups, the configuration file points to a central SQL Server or PostgreSQL database hosting TecDoc data. If the connection string includes Connection Timeout=5 and the database is under load, the exclusive lock on the connection pool can cause a loading failure.
Temporarily disable the antivirus to test if the software loads successfully. Advanced Resolution: Reinstalling Database Drivers The most effective solution for most users is
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In a networked environment, another workstation has opened a local database that is not configured for shared network access.
TecDoc isn't just a list of car parts; it's a massive, multi-layered engine that connects 900+ manufacturers to millions of vehicles. When the configuration fails, it’s often because the "bridge" between your local environment and this massive data lake has a loose plank. mecaparts.app : If you are a developer, consider moving toward the TecDoc Web Services API