: Although the error message often mentions licensing, verify your license status in the Automation License Manager . If the license is missing or invalid, WinCC may fail to open existing or new projects.
Click the browse button next to the bottom destination field, choose a new, empty folder, and name the duplicate project. Click .
The project's .mdf and .ldf files are locked, mismatched, or corrupted due to an improper shutdown [2]. A Basic Application Could Not Be Started Wincc 7.5
If running WinCC 7.5 in a VM:
: Installing both WinCC V7.x and WinCC Professional (TIA Portal) on the same operating system is generally unsupported and frequently triggers this failure. : Although the error message often mentions licensing,
If the error occurs only when opening a specific project, the project's temporary runtime files or database locks are likely corrupt. Close all Siemens software completely.
What specific are you running with WinCC 7.5? I can provide more targeted steps based on your setup. Share public link If the error occurs only when opening a
Open the Windows Start Menu and navigate to > WinCC Project Duplicator .
Check its status. If it is stopped, right-click it and select (or Restart if it is already running). Ensure the Startup type is set to Automatic .
Ensure the correct Network Adapter is selected. If the wrong "Communication Settings" are chosen, WinCC may fail to initialize the basic application. 6. Antivirus and Firewall Exceptions