Installation of MS v8i at Win 7 - problem 2738


I have new computer with 64bit Windows 7 installed and I'd like to install Microstation v8i on it. However I'm still receiving error 2738. I installed first pbda08110702en  and then also tried pbda08110703en. This was succesfull. After that I tried to install MS version and Both with the same result - error 2738 - no better specification. I found one thread here, but it's about Win Wista. But with the same problem - so I tried to register c:\Windows\System32\vbscript.dll using redsvr32.exe. Succesfully. Afterall the installation is still terminated with error 2738. Any idea how to install MS v8i ?