PostgreSQL error when trying to create an extension

Question

ERROR: could not open extension control file \"/usr/share/postgresql/9.1/extension/postgis.control\": No such file or directory

Is what I get when I tr

Answer 1

I had the same problem on my Window 8.1 setup.

I solved it by simply using Application StackBuilder which comes with Postgres and installing PostGIS again (despite not having uninstalled it)

Works fine now!