Sometimes the compressed project archive is the problem.
Ensure there are no spaces, dots, or special characters (like @, #, %) in the folder names. 3. Reset the WinCC Project A Basic Application Could Not Be Started Wincc 7.5
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. Sometimes the compressed project archive is the problem
Long file paths or special characters in the project folder name. or special characters (like @