Cubase Pro 8.0.40 Installer Crashes

Just run the update, it unpacks to a temp folder, then crash

Problem signature:
Problem Event Name: APPCRASH
Application Name: Setup.exe_Setup
Application Version:
Application Timestamp: 570d36b0
Fault Module Name: KERNELBASE.dll
Fault Module Version: 6.1.7601.19160
Fault Module Timestamp: 56bcd5c3
Exception Code: e0434352
Exception Offset: 0000c52f
OS Version: 6.1.7601.
Locale ID: 1033
Additional Information 1: 0b75
Additional Information 2: 0b75568a0e6063f8cf7482f4e14934ab
Additional Information 3: 3b40
Additional Information 4: 3b40916a65947bb48d53968f0dfffa51

Application: Setup.exe
Framework Version: v4.0.30319
Description: The process was terminated due to an unhandled exception.
Exception Info: System.IO.FileLoadException

the same with me … annoying, 8.0.35 installs OK, used MS FixIt on the installer repairs, still no go, the installer sucks …