HSP0276 does NOT cover V4.4 or V4.5. You need a newer HSP or a later TIA Portal version (V17 for V4.4, V19 for V4.5+). Always check compatibility.
The official repository for all TIA Portal support packages is hosted on the Siemens Industry Online Support (SIOS) site. HSP_V15_1_0276_001_S71200_CPU_4.3 . Compatibility: This specific HSP is for TIA Portal V15.1 . 2. Installation Steps Hsp0276 S71200 Cpu V4 3 Download
Select the version compatible with your TIA Portal release: HSP0276 does NOT cover V4
to the location where you saved HSP_Vxx_0276.zip . Select the file and click Open . Hsp0276 S71200 Cpu V4 3 Download
: Ability to load and manage certificates directly on the CPU [1].