A Basic Application Could Not Be Started Wincc 75 (2026)

Sometimes, background processes from a previous session don't close properly, preventing a new "basic application" from launching. Close WinCC and all SIMATIC software.

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 a basic application could not be started wincc 75

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 . It will terminate all lingering WinCC processes and

If you are working in a client-server architecture, a misconfigured Simatic Shell can cause initialization failures. Go to This PC or File Explorer . Find Simatic Shell in the navigation pane. Right-click it and select Settings . Check SQL Server Instance If your WinCC project

Open your Windows search bar and type (Reset WinCC).

If you are working with , encountering the error message "A basic application could not be started. Please check your software license" can be a major roadblock. This error typically triggers when you try to open the WinCC Explorer or activate a project. 1. Verify License Status

WinCC 7.5 relies heavily on . If the SQL service isn't running, the WinCC Explorer cannot initialize. The Fix: Press Win + R , type services.msc , and hit Enter. Find SQL Server (WinCC) .