Cached data files within a specific project folder can conflict with the runtime manager during startup. Delete the .DCF Files Close all Siemens software applications completely.
Open the Windows Start menu and navigate to the Siemens Automation folder. Select and run the utility tool named . a basic application could not be started wincc 75
Note: If the service fails to start, check the Windows Event Viewer under Application logs for specific SQL database corruption errors. Step 3: Reconfigure the Simatic Shell Network Binding Cached data files within a specific project folder
Go to . Let the browser update automatically and restart your PC. 3. Verify Local User Groups Select and run the utility tool named
Reinstall WinCC, ensuring you run the setup as Administrator and allow it to install necessary prerequisites. How to Check Windows Event Viewer for Clues
Ensure the project folder resides on a local hard drive (usually C:\ or D:\ ). Running projects from USB flash drives, external hard drives, or mapped network paths will trigger startup failures.
The most frequent cause for WinCC 7.5 is running an older Service Pack on a newer Windows 10 release (like 21H2 or 22H2).