[postgis-users] PostGIS 2.0 instalation problem

Paragon Corporation lr at pcorp.us
Tue Dec 18 15:48:27 PST 2012

when you say compressed postgis file -- you mean the one on this page?
I unfortunately don't have a windows xp machine readily handy to test with.
I haven't tried upgrading my test to 9.1.7 to rule that out as an issue so
I'll give that a try.
This issue is usually caused by libxml2-2.dll incompatibilities.  Though I
gather you are using the one packaged with PostGIS since it looks like the
postgres one isu using libxml2.dll
Have you been running PostGIS 2 or 1.5 on your windows xp successfully in


From: Willy-Bas Loos [mailto:willybas at gmail.com] 
Sent: Tuesday, December 18, 2012 11:30 AM
To: PostGIS Users Discussion; Paragon Corporation
Subject: Re: [postgis-users] PostGIS 2.0 instalation problem


I have the same problem.

I installed postgres on an XP PC, which worked fine. (PostgreSQL 9.1.7,
compiled by Visual C++ build 1500, 32-bit)

Then I used the StackBuilder to install PostGIS 2.

Upon creating the extension, i get the error "ERROR: could not load library
"C:/Program Files/PostgreSQL/9.1/lib/postgis-2.0.dll": unknown error 998"

The same happens when executing the sql "create extension postgis;"

I tried pasting the contents from the bin folder from the compressed postgis
installation file into ../9.1/bin/, but to no avail.

I used Depends.exe to diagnose, like Paragon suggested.

I included the dwi-file as an attachment.

Is there anything i can do?



On Sat, May 19, 2012 at 2:50 AM, wobo <mcwobo at hotmail.com> wrote:

So, I've been trying to install PostGIS 2.0 over and over again on several
different Windows XP computers, but didn't succeed in getting it up and
running. So I ended up borrowing my brother's Windows 7 pc, using the exact
same download (postgreSQL + postgis using stackbuilder) which took me about
5 minutes to succesfully install the whole thing.

I have no clue why it doesn't work on my XP. More exactly, why it can't find
the correctly located postgis-2.0.dll-file. But at least I'll be able to
test and recap the 'PostGIS in Action' on Windows 7 from now on.

Many thanks for suggesting and helping anyway.

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