Open the TECDOC.INI or similar configuration file (usually in the root installation folder).
Right‑click TecDoc → . If the error disappears, restore missing write permissions: tecdoc loading data failed check the configuration file
For networked versions, verify the database port (usually 3306 or 5432 ) isn't being blocked by a firewall. Open the TECDOC
: If you are running the data from a DVD or a virtual drive, ensure the drive letter (like D: or E:) hasn't changed. tecdoc loading data failed check the configuration file