"A Basic Application Could Not Be Started" in WinCC 7.5 usually indicates a failure in the software's communication with the underlying SQL database or a mismatch between the software and the operating system version 🛠️ Core Solutions To fix this, follow these steps in order: Check Windows Compatibility : Ensure your Windows version matches the Siemens Compatibility Tool
If you want, provide the exact error text and an Event Viewer entry and I’ll suggest targeted next steps. A Basic Application Could Not Be Started Wincc 7.5
This error typically appears without a detailed explanation, leaving many users stuck at a loading screen or facing an immediate crash of the WinCC Explorer or Graphics Designer. Below, I’ll walk you through what causes this issue and how to fix it step by step. "A Basic Application Could Not Be Started" in WinCC 7
: If the SQL server instance was not installed correctly, the project manager cannot start. Some users recommend uninstalling both WinCC and the SQL instance entirely, then reinstalling them. Ensure your computer name does not contain special characters (like underscores), as this can break SQL installations. : If the SQL server instance was not
If running WinCC 7.5 in a VM: