The error "A basic application could not be started" in WinCC 7.5 typically indicates an environmental conflict, such as software incompatibility, incorrect user permissions, or a corrupted SQL server instance. 🛠️ Key Troubleshooting Steps

If these are disabled or corrupted, basic applications fail to start.

To resolve the "A basic application could not be started" error in WinCC 7.5, follow these troubleshooting steps: