2.5 not working=previous version was OK

This may be a duplicate post !

I am getting an error message when I have just upgraded to GDE 2.5
GDE Error: Unsupported File Type (pdf)

The shortcodes I have tried are:

[gview file=”http://www.xxxxxxxx.com/wp-content/uploads/2012/12/Crichton_2012_flood_plain_speaking_3rd_ed.pdf” force=”1″]

[gview file=”http://www.xxxxxxxx.com/wp-content/uploads/2012/12/Crichton_2012_flood_plain_speaking_3rd_ed.pdf”%5D

[gview file=”http://www.xxxxxxx.com/wp-content/uploads/2012/12/Crichton_2012_flood_plain_speaking_3rd_ed.pdf” save=”1″]

I would welcome any help please.

Regards
Richard

http://wordpress.org/extend/plugins/google-document-embedder/