A Basic Application Could Not Be Started Wincc 75 Best Page

| Symptom | Solution | |---------|----------| | Error only in one project | Use to create fresh copy | | Error after moving project | Check path length < 80 chars, no special characters or spaces | | Error after Windows Update | Run WinCC Installation Repair from Control Panel → Programs → Siemens WinCC → Change → Repair | | Multi-user / client-server | Verify network share permissions (full control for Everyone temporarily for test) |

If the error persists, the SQL instance may be corrupted. Users often find success by completely uninstalling WinCC and the manual removal of all MS SQL Server components before reinstalling. Community Insights on Fixes a basic application could not be started wincc 75 best