WinCC 7.5 / "A basic application could not be started" message
: On some Windows versions (like 20H2), an outdated Microsoft Edge can actually block SQL Server from starting correctly. Updating Edge to the latest version has been known to fix this. 5. Reinstall WinCC and SQL A Basic Application Could Not Be Started Wincc 7.5
WinCC cannot function without its database. WinCC 7
: This error often stems from an improperly installed or corrupted Microsoft SQL Server instance. Special Characters : Ensure your computer or server name contains no special characters (like underscores ), as these can break the SQL installation. Browser Dependency : On some Windows 10 versions (like 20H2), an outdated Microsoft Edge Reinstall WinCC and SQL WinCC cannot function without
or third-party antivirus during a repair installation to ensure all components register correctly. Advanced Recovery
. For example, WinCC 7.5 SP2 often requires specific updates (like Update 15) to run on newer Windows 10/11 builds. Update Microsoft Edge