A Basic Application Could Not Be Started Wincc 7.5

Disable DEP -> Run as Admin -> Check SQL.

The tool will automatically re-align registry permissions, DCOM settings, and Windows Firewall exceptions for WinCC 7.5. Restart your PC after the process finishes. Long-Term Preventive Measures A Basic Application Could Not Be Started Wincc 7.5

: Installing both WinCC V7.x and WinCC Professional (TIA Portal) on the same operating system is generally unsupported and frequently triggers this failure. Disable DEP -> Run as Admin -> Check SQL