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

After disabling Smad Av, it still did not work. So, I right clicked on the Smad Av tray icon and I selected 'Allow Windows-Script & Office-Macro (Permanent)' and it worked.