WinCC requires the logged-in Windows user to be a member of specific local groups. This is the #1 fix for "Basic Application" errors. Right-click (or My Computer) and select Manage . Navigate to Local Users and Groups > Groups . Ensure your user account is added to: SIMATIC HMI SIMATIC HMI Viewer (if applicable) Administrators
WinCC relies heavily on Microsoft SQL Server; if the instance is stopped or the database is detached, the application won't start.
Keep the path as short as possible (e.g., D:\WinCC_Projects\MyProject ). A Basic Application Could Not Be Started Wincc 7.5
Verify that the is not blocking "CCProjectMgr.exe" or "CCRemoteService.exe". When All Else Fails: The "CCCleaner" Tool
You must log out and log back into Windows for these changes to take effect. 2. Check the WinCC Project Path WinCC is sensitive to where your project is saved. WinCC requires the logged-in Windows user to be
Open the (found in the Siemens folder in the Start menu).
The "A Basic Application Could Not Be Started" error in WinCC 7.5 is usually a sign of a communication breakdown between the Windows OS and the WinCC runtime engine. By verifying your , checking the SQL Service , and ensuring a clean project path , you can resolve the vast majority of these cases. Navigate to Local Users and Groups > Groups
Ensure that the WinCC installation folders and your project folders are added to the of your antivirus.