Hi,
Installing postgis-pg90-setup-1.5.2-3 on windows after installing postgresql-9.0.1-1-windows_x64 errors off (see below error). I believe that postgres is a 64 bit application and postgis is a 32 bit application so I don't know if that is the reason why it errors off.
psql:C:/Program Files/PostgreSQL/9.0/share/contrib/postgis-1.5/postgis.sql:58: ERROR: could not load library "C:/Program Files/PostgreSQL/9.0/lib/postgis-1.5.dll": %1 is not a valid Win32 application.
John
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John J. Mitchell