If you are trying to install Update 5 on a modern machine, stop. TIA Portal V11 SP2 Update 5 was officially tested only on Windows 7 (64-bit) and Windows Server 2008 R2. Installing it on modern OS usually results in a Blue Screen of Death (BSOD) due to outdated drivers for PG/PC interfaces.

Resolves issues with the WinCC Basic/Comfort runtime interfaces.