Add These Environment Variables Manually (It should be added automatically at the time of installing Gstreamer ossbuild)
Var Name : GST_PLUGIN_PATH Path: C:\Program Files (x86)\OSSBuild\GStreamer\v0.10.7\lib\gstreamer-0.10
Var Name: OSSBUILD_GSTREAMER_DIR Path: C:\Program Files (x86)\OSSBuild\GStreamer\v0.10.7\
Var Name: OSSBUILD_GSTREAMER_SDK_DIR Path: C:\Program Files (x86)\OSSBuild\GStreamer\v0.10.7\sdk\
Add These to the "Path" Variable.
C:\Program Files (x86)\OSSBuild\GStreamer\v0.10.7\sdk\bin;C:\Program Files (x86)\OSSBuild\GStreamer\v0.10.7\bin;
If you install at c:/Program Files (x86) , the application should run.