A Basic | Application Could Not Be Started Wincc 7.5
Optional: Also verify that the service is running. 3. Reset the WinCC Project Using Project Duplicator
Right-click on WinCC Explorer → Run as administrator
Check the WinCC 7.5 configuration to ensure that it is set up correctly. Verify that the project settings, device configurations, and other parameters are correctly configured.
Right-click your license and select "Check" to force a validation. 2. Check SQL Server (WinCC Instance) A Basic Application Could Not Be Started Wincc 7.5
WinCC 7.5 / "A basic application could not be started" message
in Windows Explorer, right-click "Settings," and ensure the correct network adapter is selected. For WinCC 7.5+, verify that "Remote Communication" is enabled if working in a distributed system. Install Latest Updates
Open the Start Menu and search for (or Simatic Security Controller). Optional: Also verify that the service is running
To rule out an actual license problem, open the Automation License Manager and check:
Sudden power outages, improper shutdowns, or antivirus interference can lock or corrupt the .mdf and .ldf files of the project.
Are you able to open project, or does this happen only with a specific one? Possible causes for "Reset_WinCC.vbs" - SiePortal Verify that the project settings, device configurations, and
Disclaimer: Always ensure you have a full project backup and a system restore point before modifying Windows security settings or uninstalling updates.
If the issue persists, the SQL Server instance may be corrupted. Reinstall SQL & WinCC : Uninstall WinCC and the SQL Server (WinCC)