Runtime Loader — Wincc

About the author: A automation systems integrator with 10+ years of experience in Siemens TIA Portal, PCS 7, and WinCC Open Architecture.

The loader caches compiled binaries ( *.PDL , *.MCP ) from the old version. wincc runtime loader

The loader is failing its pre-flight checks—most commonly a missing or corrupted license or an incompatible graphics driver (for WinCC Advanced/Comfort panels). About the author: A automation systems integrator with

WinCC Runtime Classic (pre-TIA) checks for a physical graphics adapter. Remote sessions use a virtual display driver. wincc runtime loader

But what exactly is the WinCC Runtime Loader? Is it the application itself, or just a launcher? Why does it sometimes stay running after a project closes?