A Basic Application Could Not Be Started Wincc 7.5 May 2026

Troubleshooting "A Basic Application Could Not Be Started" Error in WinCC 7.5

If the error only happens with one specific project, the project database might be corrupted. Create a new, empty project. A Basic Application Could Not Be Started Wincc 7.5

WinCC 7.5 / "A basic application could not be started" message Troubleshooting "A Basic Application Could Not Be Started"

Causes:

1. Open Windows Task Manager (Ctrl + Shift + Esc).
2. Look for the following processes in the "Details" tab:

   If you are working with Siemens SIMATIC WinCC 7.5, encountering the error message "A basic application could not be started. Please check your software license" can be a frustrating roadblock. This error typically appears when you attempt to open WinCC Explorer or activate a project. Open Windows Task Manager ( Ctrl + Shift + Esc )

   WinCC 7.5 / "A basic application could not be started" message