Locate update package (or similar framework updates impacting your current build version).
The active Windows user account or network service does not have full control permissions over the TecDoc installation directory or network share.
How to Fix "TecDoc Loading Data Failed: Check the Configuration File Exclusive"
If the application crashes, it may leave behind hidden tracking files that falsely signal to the system that the database is still in use.
Certain Windows security updates restrict legacy database file bindings, which triggers the config failure on Windows 10 and 11 environments. Open the Windows Search bar and type . Click Uninstall Updates at the top of the interface.