Failed to load plugin:

Nirbheek Chauhan nirbheek.chauhan at
Wed Dec 29 11:57:04 UTC 2021

Hi Ilya,

This error happens when Windows fails to find some dependency DLL when
loading the plugin.

Run a DLL dependency checker, one of the following:

That should tell you what's missing.

For Media Foundation, you are likely running on an older version of Windows
which doesn't ship the necessary system DLLs. You need a relatively new
Windows 10 device.


On Mon, 27 Dec, 2021, 22:15 Ilya Aleshkov via gstreamer-devel, <
gstreamer-devel at> wrote:

> Hi,
> On some client PC's I have a lot of warnings like this:
> gstplugin.c:806:_priv_gst_plugin_load_file_for_registry: module_open
> failed:
> 'C:\gstreamer\1.0\msvc_x86_64\lib\gstreamer-1.0\gstmediafoundation.dll':
> The specified module could not be found.
> I do really care about only the mediafoundation plugin, but GStreamer
> can't load some other plugins as
> well: gstclosedcaption.dll, gstdecklink.dll, gstopenh264.dll, gstpango.dll, gstrsvg.dll
> All these files are actually present in the plugins folder.
> Windows 10, GStreamer 1.18.1/5
> What could it be?
> Thanks,
> Ilya
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