In simple terms, WinCC tried to start a core system process (the “basic application”), and Windows blocked it for security or compatibility reasons.
Tip: To make this permanent, go to Properties → Compatibility → Check "Run this program as an administrator". A Basic Application Could Not Be Started Wincc 7.5
: Ensure you are logged in with the same Windows user account that was used to install WinCC . In simple terms, WinCC tried to start a
Follow these steps in order. Do not skip the basic checks. In simple terms
If none of the above solves the issue, consider:
file in your WinCC installation directory or via the desktop shortcut if available. Run the script and restart your computer Verify Compatibility