In the summer of 2016 I spent some days being really troubled around the problem on getting Gem working on a windows machine. The solution came with the dll file msvcr71.dll. There was also a thread called "missing MSVCR71.DLL on Win10, Gem can't load library" this spring. You might check it out. Best / Björn Eriksson

P.S. Some copy/paste from that other thread down below here.

*Ok, I see. It works without re-install or re-start. Just copy the file (msvcr71.dll) to that location (C:\Windows\System OR SysWOW64 OR installed Gem Folder)Thanks,* *Jonghyun*

*On Tue, Apr 11, 2017 at 4:13 PM, IOhannes m zmoelnig <zmoelnig@iem.at zmoelnig@iem.at> wrote:*

*On 2017-04-10 23:38, Jonghyun Kim wrote:> 3) Reinstall Gem and restart Pdi seriously doubt that you need to re-install anything after puttingmsvcr71.dll into the PATH.you *might* not even need to restart Pd (but then, this is a simple enough).fgamsdrIOhannes*

On Wed, Oct 11, 2017 at 4:39 PM, Peter P. peterparker@fastmail.com wrote:

Hi list,

• Peter P. peterparker@fastmail.com [2017-10-07 21:33]:

...

Hi list,

running Pd 0.48-0 vanilla on Windows and installing Gem 0.93.3 via Deken causes Problems at a few computers around me.

Gem loads with a [declare -lib Gem] object, but creating a [gemwin] object by sending it the [create< message fails with many lines of ... couldn't create GLdefine GL_LINEAR ... couldn't create GLdefine GL_EXP ... couldn't create GLdefine GL_EXP2 ... couldn't create GLdefine GL_COLOR_BUFFER_BIT ... couldn't create GLdefine GL_DEPTH_BUFFER_BIT ... couldn't create GLdefine GL_STENCIL_BUFFER_BIT ... couldn't create GEMglMatrixMode GL_MODELVIEW ... couldn't create GEMgluLookAt 0 0 4 0 0 0 0 1 0 ... couldn't create GEMglLoadIdentity ... couldn't create GEMglMatrixMode GL_PROJECTION ... couldn't create GEMglLoadIdentity ... couldn't create GEMglFrustum -1 1 -1 1 1 20 ... couldn't create

IOhannes suspected a problem with the presence of a file Gem-meta.pd in the search path, but there seems no such file present on the computers at hand.

Using the Gem Windows installer from http://gem.iem.at/releases/0.93.3/Gem-0.93.3-W32-i686.exe did not help either.

This problem persists largely on Windows 10 machines and is present or not on identical operating system versions on different installations.

After a suggestion that Gem might be lacking certain Microsoft Visual C++ libraries in Windows10 installations I am trying to track down the exact name of the required libraries. I am unable to find that information from the mailinglist archive. It would be great if someone who has/had the same problem could help us out here.

Thank you for all ideas, Peter

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