A Basic Application - Could Not Be Started Wincc 75 Best

If this happens with a specific project:

  • Rebuild the project data using WinCC Configuration Tool (Start → Siemens Automation → WinCC → Tools).
  • WinCC requires a valid Runtime license to start. If the license dongle is missing, broken, or if the "Power Tags" count in the project exceeds the license limit, the startup will fail. a basic application could not be started wincc 75 best

    | Check | Action | |-------|--------| | Run as Administrator | Right-click WinCC Explorer → Run as administrator | | Disable Antivirus temporarily | Especially McAfee, Norton, or Kaspersky (known to block WinCC processes) | | Check Windows Event Viewer | Look for Application errors around the same timestamp | | Reboot PC | Clears stuck processes | If this happens with a specific project:


    The Basic Application relies on specific Windows services. Verify they are running. Rebuild the project data using WinCC Configuration Tool

  • Ensure they are Started and set to Automatic.
  • If stopped: Right-click → Start. If it fails, reboot the PC.