https://userapps.support.sap.com/sap/support/knowledge/en/2576572
2576572 - SAP GUI fails to install with Access is denied 0x00000005 (5). | SAP Knowledge Base...
SAPgui cannot be installed, it fails on the extraction phase with the error SapSelfX 1E Error starting process: startElevated() failed. Error message: Access...