A Basic Application Could Not Be Started Wincc 75 Best ((link))

Troubleshooting: "A Basic Application Could Not Be Started" in WinCC 7.5

• If project corrupted, restore last known-good backup.

1. Regularly update software and drivers: Keep WinCC 7.5 and device drivers up-to-date to ensure compatibility and resolve known issues.
2. Monitor system performance: Regularly monitor system performance and address any issues promptly to prevent them from becoming critical.
3. Implement robust security measures: Ensure that user accounts have the necessary privileges and that access to system resources is properly controlled.
4. Maintain a stable and clean system: Regularly clean up temporary files, and maintain a stable system configuration to prevent issues.

Why this works: SQL Server services and license daemons require elevated privileges to write logs and check licenses. a basic application could not be started wincc 75 best

1. Open the Automation License Manager.
2. Navigate to the license stick (hard disk or USB dongle).
3. Ensure a valid WinCC RT 7.5 license exists.
4. Check the "OS" (Operating System) compatibility. If you recently upgraded to Windows 10 or Windows 11, your old WinCC 7.5 licenses may require an update via the Siemens License Wizard.