PostgreSQL 9 install on Windows: “Unable to write inside TEMP environment path.”

Question

I am attempting to install PostgreSQL 9 (postgresql-9.0.3-1-windows.exe) on my WinXP machine and get the following error at the start:

Answer 1

In my case Changing the (Default) key in the HKEY_CLASSES_ROOT, .vbs section of the registry to VBSFile solved it. BlueFish is grab .vbs file association.