A Basic Application Could Not Be Started Wincc 7.5 ^new^ -

Check its status. If it is stopped, right-click it and select (or Restart if it is already running). Ensure the Startup type is set to Automatic .

Corrupted system files or missing registry entries can cause this error. A Basic Application Could Not Be Started Wincc 7.5

If the Visual C++ Redistributables, .NET Framework, or Siemens prerequisites are not correctly installed, the Windows API calls fail. Check its status

Open ( compmgmt.msc ) on your Windows machine. Navigate to Local Users and Groups > Groups . Locate the following groups: SIMATIC HMI SIMATIC HMI CS (for Configuration Studio access) Administrators Corrupted system files or missing registry entries can

If the error occurs only with one specific project, the project's internal tracking configuration might be locked or damaged. Using the Project Duplicator creates a clean copy without temporary lock files. Close all WinCC applications.

If you had to add your user to any group, for the security token to update. 2. Check the Microsoft SQL Server (WINCC) Service

WinCC requires specific local Windows permissions to run applications and communicate with the SQL database.