For severe cases where previous WinCC versions have left behind traces in the registry, a followed by a fresh WinCC install is often the most reliable "best" fix .
What (e.g., Windows 10, Windows Server 2019) are you using? a basic application could not be started wincc 75 best
Ensure the status column displays a green checkmark. If a valid key is missing, restore it from your official storage device. For severe cases where previous WinCC versions have
WinCC 7.5 heavily relies on Microsoft SQL Server. If the SQL instance WINCC is not running or is corrupted, the application cannot start. a basic application could not be started wincc 75 best
If the error occurs during PC startup: