Navigate to the TecDoc installation folder (usually located in C:\Program Files\TecDoc\ or C:\TecDoc_CD\ ).
Delete any .lock files that remain from previous sessions.
Open the file with Notepad to verify that the file paths listed under data directories point to the correct, existing locations on your hard drive. Step 5: Whitelist TecDoc in Antivirus and Firewall Settings
: If the path is a network drive, ensure the drive is mapped and accessible. TecCom Wiki 2. Release "Exclusive" Database Locks
At its core, the phrase "loading data failed" indicates a breakdown in communication between the TecDoc application and its underlying database. TecDoc is not a static program; it is a dynamic portal that retrieves millions of vehicle data points—from VIN interpretations to torque specifications. When loading fails, the software cannot access the essential libraries it needs to function. The immediate cause is often a corrupted local cache, an interrupted update, or a damaged index file. Yet, the true culprit usually lies in the second half of the error message: "Check the configuration file."
FileStream fs = new FileStream("tecdoc.conf", FileMode.Open, FileAccess.Read, FileShare.None);
If all else fails, a clean reinstallation is often the most straightforward solution. The key is to be thorough.
DataDir=D:\TECDOC_DATA
Did this error occur directly after a or Windows update ?