A Basic Application Could Not Be Started Wincc 75 [hot] -
Ensure the status is . If it is stopped, right-click and select Start . Also, ensure the SQL Server Browser service is running. 4. Simatic Shell Configuration
Run the tool. It will terminate all lingering WinCC processes and clean up the temporary runtime environment. Restart your computer and try opening the project again. 3. Check SQL Server Instance
If none of these steps work, the issue might be a corrupted project file ( .mcp ). Try creating a brand new project . If the new project opens, your original project database may need a manual attach/detach in SQL Management Studio. a basic application could not be started wincc 75
Right-click your license and select to ensure it isn't corrupted. 2. Reset the WinCC Project (CCCleaner)
How to Fix "A Basic Application Could Not Be Started" in WinCC 7.5 Ensure the status is
Open your Windows search bar and type (Reset WinCC).
Ensure you haven't upgraded to WinCC 7.5 while still holding a 7.4 license; Siemens licenses are version-specific. Restart your computer and try opening the project again
If your WinCC project folder was moved or copied from another machine, the "basic application" might fail because it doesn't have permission to write to the project database. Right-click your project folder. Go to Properties > Security . Ensure the "SIMATIC HMI" user group has Full Control .

