Problems Installing PostgreSQL 9.2

Question

I\'ve been trying to install the 64bit version of PostgreSQL 9.2 for Windows on my machine (Windows 7 64bit) and get this error:

The environment variable COMPS

Answer 1

If the installer exe is on a network share that mapped drive might actually not be accessible to the installer as it runs as administrator. This can often happen in some virtual machine arrangements such as running windows in a parallels VM. Copy the installer to a local drive first and you won't have a problem.