The error in WinCC 7.5 often occurs due to software incompatibilities, incorrect installation conditions, or issues with the SQL Server instance.
WinCC and SQL Server are extremely sensitive to computer names. Ensure your PC name has no special characters or underscores ( 2. Verify Compatibility and Updates a basic application could not be started wincc 75
| Feature | Description | |---------|-------------| | | "a basic application could not be started wincc 75" | | Affected software | Siemens WinCC (Version 7.5) — often Runtime or Explorer | | Commonly appears when | Starting WinCC Runtime, opening a project, or after a Windows update | | Primary symptom | WinCC fails to launch the basic application (e.g., graphics runtime, global script, or tag management) | | Typical error codes (accompanying) | May appear with 0x8000FFFF , 0x80040154 , or HRESULT errors in Windows Event Log | "A basic application could not be started" The
WinCC 7.5 is sensitive to Windows builds. Ensure you are on a supported version of Windows 10/11 or Windows Server as specified in the Siemens Compatibility Tool. Troubleshooting the "A basic application could not be
Troubleshooting the "A basic application could not be started" error in WinCC 7.5 involves a systematic approach to checking the system's configuration, software installation, and operational environment. Documenting any changes made during the troubleshooting process can help in case you need to escalate the issue to Siemens support or to a WinCC expert.
If you need a , support email template , or KB article based on these features, let me know and I can produce it for you.
After restarting, UAC is disabled. Launch WinCC again. The "basic application" error should disappear.