A Basic Application Could Not Be Started Wincc 75 !!install!! May 2026

"A basic application could not be started"

This error — in WinCC (version 7.5) — typically appears when the Siemens HMI/SCADA runtime fails to initialize core system components.

Check for Event ID 10010 in Windows Event Viewer. Ensure DCOM is enabled and configured correctly. ⚠️ Advanced Troubleshooting a basic application could not be started wincc 75

Update License Manager

: Ensure the Automation License Manager (ALM) is running. Sometimes a crash in the ALM service prevents "basic applications" (like the background explorer) from launching. "A basic application could not be started" This

Event Viewer

The error dialog itself is vague. For real details, open ( eventvwr.msc ): open ( eventvwr.msc ):