Because of this deep integration, a standard "Uninstall" via the Windows Control Panel often falls short. It is akin to pulling a weed out by the leaves, leaving the roots intact to cause problems later.
(Article ID 189025) designed to perform a full system purge of leftover files and registry entries. Removing "Simatic Shell"
Siemens itself provides a nuclear option. Download the (Remote Connect) cleanup script or use the "Simatic Software Uninstaller" (available on Siemens Industry Support).
Delete manually:
Keywords: Simatic Device Drivers, Wow Uninstall, High Quality driver removal, Siemens automation cleanup, TIA Portal driver conflict.